A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
| Inventor Name | City | State | |
|---|---|---|---|
| Hadfield, George | Cincinnati | OH | View patents |
| Hadfield, George | Cincinnati | OH | View patents |
| Hadfield, George | Cincinnati | OH | View patents |
| Hadfield, George | Cincinnati | OH | View patents |
| Hadfield, George | Cincinnati | OH | View patents |
| Hadfield, John | Cincinnati | OH | View patents |
| Hadfield, John | Cincinnati | OH | View patents |
| Hadfield, John | Cincinnati | OH | View patents |
| Hadley, George | Cincinnati | OH | View patents |
| Hadley, George | Cincinnati | OH | View patents |
| Haeckel, Edward | Cincinnati | OH | View patents |
| Haile, Robert | Cincinnati | OH | View patents |
| Haley, J. | Cincinnati | OH | View patents |
| Hall, Edward | Cincinnati | OH | View patents |
| Hall, J. | Cincinnati | OH | View patents |
| Hall, James | Cincinnati | OH | View patents |
| Hall, John | Cincinnati | OH | View patents |
| Hall, John | Cincinnati | OH | View patents |
| Hall, John | Cincinnati | OH | View patents |
| Hall, John | Cincinnati | OH | View patents |
| Hall, John | Cincinnati | OH | View patents |
| Hall, Joseph | Cincinnati | OH | View patents |
| Hall, Joseph | Cincinnati | OH | View patents |
| Hall, Joseph | Cincinnati | OH | View patents |
| Hall, Joseph | Cincinnati | OH | View patents |
| Hall, Joseph | Cincinnati | OH | View patents |
| Hall, Joseph | Cincinnati | OH | View patents |
| Hall, Joseph | Cincinnati | OH | View patents |
| Hall, Joseph | Cincinnati | OH | View patents |
| Hall, Joseph | Cincinnati | OH | View patents |
| Hall, Joseph | Cincinnati | OH | View patents |
| Hall, Joseph | Cincinnati | OH | View patents |
| Halstead, Benton | Cincinnati | OH | View patents |
| Hamer, W. | Cincinnati | OH | View patents |
| Hammer, Gustavus | Cincinnati | OH | View patents |
| Hammer, Gustavus | Cincinnati | OH | View patents |
| Hammer, Gustavus | Cincinnati | OH | View patents |
| Hammer, Gustavus | Cincinnati | OH | View patents |
| Hand, Caleb | Cincinnati | OH | View patents |
| Haneisen, Eugen | Cincinnati | OH | View patents |
| Hanfbauer, John | Cincinnati | OH | View patents |
| Hanks, O. | Cincinnati | OH | View patents |
| Hanks, Oscar | Cincinnati | OH | View patents |
| Hanks, Oscar | Cincinnati | OH | View patents |
| Hanks, Oscar | Cincinnati | OH | View patents |
| Hannaford, Richard | Cincinnati | OH | View patents |
| Harcourt, Joseph | Cincinnati | OH | View patents |
| Harcourt, Joseph | Cincinnati | OH | View patents |
| Hardy, Dexter | Cincinnati | OH | View patents |
| Hardy, Dexter | Cincinnati | OH | View patents |
| Hardy, Dexter | Cincinnati | OH | View patents |
| Hardy, Dexter | Cincinnati | OH | View patents |
| Hardy, Dexter | Cincinnati | OH | View patents |
| Hardy, Dexter | Cincinnati | OH | View patents |
| Hardy, Dexter | Cincinnati | OH | View patents |
| Hargrave, Joseph | Cincinnati | OH | View patents |
| Hargrave, Joseph | Cincinnati | OH | View patents |
| Harlan, George | Cincinnati | OH | View patents |
| Harlan, George | Cincinnati | OH | View patents |
| Harlan, J. | Cincinnati | OH | View patents |
| Harlan, John | Cincinnati | OH | View patents |
| Harmyer, Louis | Cincinnati | OH | View patents |
| Harnett, John | Cincinnati | OH | View patents |
| Harnett, John | Cincinnati | OH | View patents |
| Harrington, John | Cincinnati | OH | View patents |
| Harris, C. | Cincinnati | OH | View patents |
| Harris, C. | Cincinnati | OH | View patents |
| Harris, C. | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, Conrad | Cincinnati | OH | View patents |
| Harris, James | Cincinnati | OH | View patents |
| Harrison, Daniel | Cincinnati | OH | View patents |
| Hart, Isaac | Cincinnati | OH | View patents |
| Harvie, Arthur | Cincinnati | OH | View patents |
| Haueisen, Eugen | Cincinnati | OH | View patents |
| Haueisen, Eugen | Cincinnati | OH | View patents |
| Hauser, P. | Cincinnati | OH | View patents |
| Haven, James | Cincinnati | OH | View patents |
| Haven, James | Cincinnati | OH | View patents |
| Haven, James | Cincinnati | OH | View patents |
| Haven, James | Cincinnati | OH | View patents |
| Haven, James | Cincinnati | OH | View patents |
| Haven, James | Cincinnati | OH | View patents |
| Haven, James | Cincinnati | OH | View patents |
| Hawkins, Ezekiel | Cincinnati | OH | View patents |
| Hayman, Henry | Cincinnati | OH | View patents |
| Haynes, John | Newport | KY | View patents |
| Hazen, Burton | Cincinnati | OH | View patents |
| Headington, Nicholas | Cincinnati | OH | View patents |
| Headington, Nicholas | Cincinnati | OH | View patents |
| Heberger, Michael | Cincinnati | OH | View patents |
| Hedges, Isaac | Cincinnati | OH | View patents |
| Hedges, Isaac | Cincinnati | OH | View patents |
| Heery, Charles | Cincinnati | OH | View patents |
| Hefferman, William | Cincinnati | OH | View patents |
| Heich, John | Cincinnati | OH | View patents |
| Heich, John | Cincinnati | OH | View patents |
| Heilbrun, Alexander | Cincinnati | OH | View patents |
| Heinn, Matthaus | Cincinnati | OH | View patents |
| Heller, Francis | Cincinnati | OH | View patents |
| Heller, Francis | Cincinnati | OH | View patents |
| Helmkamp, Charles | Reading | OH | View patents |
| Hemberger, John | Reading | OH | View patents |
| Hemingray, Robert | Cincinnati | OH | View patents |
| Hemingway, Robert | Cincinnati | OH | View patents |
| Hendriek, H. | Cincinnati | OH | View patents |
| Henis, C. | Cincinnati | OH | View patents |
| Henis, Charles | Cincinnati | OH | View patents |
| Henis, Charles | Cincinnati | OH | View patents |
| Henis, Charles | Cincinnati | OH | View patents |
| Henis, Charles | Cincinnati | OH | View patents |
| Henry, Richard | Cincinnati | OH | View patents |
| Herbert, H. | Cincinnati | OH | View patents |
| Herbert, Henry | Cincinnati | OH | View patents |
| Herbert, Henry | Cincinnati | OH | View patents |
| Herider, William | Miamitown | OH | View patents |
| Hertwig, Sarah | Cincinnati | OH | View patents |
| Hervey, James | Cincinnati | OH | View patents |
| Hess, Charles | Cincinnati | OH | View patents |
| Hesse, F. | Cincinnati | OH | View patents |
| Hesz, Florian | Cincinnati | OH | View patents |
| Hettrick, Charles | Cincinnati | OH | View patents |
| Hewet, Henry | Cincinnati | OH | View patents |
| Hewitt, G. | Cincinnati | OH | View patents |
| Hickman, James | Richmond | IN | View patents |
| Higley, P. | Cincinnati | OH | View patents |
| Hilbert, Benjamin | Cincinnati | OH | View patents |
| Hill, Edmund | Cincinnati | OH | View patents |
| Hill, Joseph | Cincinnati | OH | View patents |
| Hill, Joseph | Cincinnati | OH | View patents |
| Hill, Nathan | Cincinnati | OH | View patents |
| Hill, Nathan | Cincinnati | OH | View patents |
| Hills, Edwin | Cincinnati | OH | View patents |
| Hills, Edwin | Cincinnati | OH | View patents |
| Hintz, John | Cincinnati | OH | View patents |
| Hintz, John | Cincinnati | OH | View patents |
| Hintz, John | Cincinnati | OH | View patents |
| Hintz, John | Cincinnati | OH | View patents |
| Hintz, Julius | Cincinnati | OH | View patents |
| Hintz, Jr, Julius | Cincinnati | OH | View patents |
| Hintz, Jr, Julius | Cincinnati | OH | View patents |
| Hird, Isaac | Cincinnati | OH | View patents |
| Hirley, James | Cincinnati | OH | View patents |
| Hobson, B. | Cincinnati | OH | View patents |
| Hobson, Ben | Cincinnati | OH | View patents |
| Hodgkinson, George | Cincinnati | OH | View patents |
| Hodgkinson, George | Cincinnati | OH | View patents |
| Hodgson, W. | Cincinnati | OH | View patents |
| Hodgson, W. | Cincinnati | OH | View patents |
| Hodgson, Will | Cincinnati | OH | View patents |
| Hodgson, Will | Cincinnati | OH | View patents |
| Hodgson, Will | Cincinnati | OH | View patents |
| Hodgson, William | Cincinnati | OH | View patents |
| Hoefinghoff, Charles | Cincinnati | OH | View patents |
| Hoeller, C. | Cincinnati | OH | View patents |
| Hoeller, C. | Cincinnati | OH | View patents |
| Hoeller, Charles | Cincinnati | OH | View patents |
| Hoerstmann, Bannert | Cincinnati | OH | View patents |
| Hoffheimer, Max | Cincinnati | OH | View patents |
| Hogan, Patrick | Cincinnati | OH | View patents |
| Hogan, Patrick | Cincinnati | OH | View patents |
| Hogan, Patrick | Cincinnati | OH | View patents |
| Hogan, Patrick | Cincinnati | OH | View patents |
| Hohenstein, George | Cincinnati | OH | View patents |
| Holenshade, James | Cincinnati | OH | View patents |
| Holland, John | Cincinnati | OH | View patents |
| Holland, John | Cincinnati | OH | View patents |
| Holland, John | Cincinnati | OH | View patents |
| Holland, Timothy | Cincinnati | OH | View patents |
| Hollen, Stephen | Cincinnati | OH | View patents |
| Hollingsworth, Robert | Cincinnati | OH | View patents |
| Hollingsworth, Robert | Cincinnati | OH | View patents |
| Hollis, John | Cincinnati | OH | View patents |
| Holmes, D. | Cincinnati | OH | View patents |
| Holmes, D. | Cincinnati | OH | View patents |
| Holmes, J. | Cincinnati | OH | View patents |
| Holmes, James | Cincinnati | OH | View patents |
| Holmes, James | Cincinnati | OH | View patents |
| Holmes, Perry | Cincinnati | OH | View patents |
| Homan, Herman | Cincinnati | OH | View patents |
| Hopkins, Edward | Cincinnati | OH | View patents |
| Hopkins, Thomas | Cincinnati | OH | View patents |
| Hopkins, Thomas | Cincinnati | OH | View patents |
| Horn, Issac | Cincinnati | OH | View patents |
| Hornbrook, Richard | Cincinnati | OH | View patents |
| Horner, William | Cincinnati | OH | View patents |
| Horton, Nicholas | Cincinnati | OH | View patents |
| Hotchkiss, J. | Cincinnati | OH | View patents |
| How, Woodbury | Cincinnati | OH | View patents |
| How, Woodbury | Cincinnati | OH | View patents |
| How, Woodbury | Cincinnati | OH | View patents |
| How, Woodbury | Cincinnati | OH | View patents |
| Howcroft, Jonathan | Cincinnati | OH | View patents |
| Howdon, Robert | Cincinnati | OH | View patents |
| Howdon, Robert | Cincinnati | OH | View patents |
| Howdon, Robert | Cincinnati | OH | View patents |
| Howell, A. | Cincinnati | OH | View patents |
| Hughes, Hutson | Cincinnati | OH | View patents |
| Hughes, Melvin | Paris | KY | View patents |
| Hull, John | Cincinnati | OH | View patents |
| Hull, John | Cincinnati | OH | View patents |
| Hull, John | Cincinnati | OH | View patents |
| Hull, John | Cincinnati | OH | View patents |
| Hull, John | Cincinnati | OH | View patents |
| Hull, John | Cincinnati | OH | View patents |
| Hull, John | Cincinnati | OH | View patents |
| Hull, John | Cincinnati | OH | View patents |
| Hull, John | Cincinnati | OH | View patents |
| Hull, John | Cincinnati | OH | View patents |
| Hull, John | Cincinnati | OH | View patents |
| Hull, John | Cincinnati | OH | View patents |
| Hull, John | Cincinnati | OH | View patents |
| Hull, John | Cincinnati | OH | View patents |
| Hull, William | Coffeyville | KS | View patents |
| Hummel, John | Cincinnati | OH | View patents |
| Humphrey, H. | Cincinnati | OH | View patents |
| Humphreys, David | Cincinnati | OH | View patents |
| Hunt, Frank | Cincinnati | OH | View patents |
| Hunt, Franklin | Cincinnati | OH | View patents |
| Hunt, James | Cincinnati | OH | View patents |
| Hunt, James | Cincinnati | OH | View patents |
| Hunt, James | Cincinnati | OH | View patents |
| Hunt, James | Cincinnati | OH | View patents |
| Hunt, James | Cincinnati | OH | View patents |
| Hunt, Jason | Reading | OH | View patents |
| Hunt, Marcus | Cincinnati | OH | View patents |
| Hunt, Marshall | Cincinnati | OH | View patents |
| Hunter, Robert | Cincinnati | OH | View patents |
| Hunter, Robert | New York | NY | View patents |
| Huntley, Hosea | Cincinnati | OH | View patents |
| Huntley, Hosea | Cincinnati | OH | View patents |
| Huntley, Hosea | Cincinnati | OH | View patents |
| Huntley, Hosea | Cincinnati | OH | View patents |
| Huntley, Hosea | Cincinnati | OH | View patents |
| Huntley, Hosea | Cincinnati | OH | View patents |
| Huntley, Hosea | Cincinnati | OH | View patents |
| Huntley, Hosea | Cincinnati | OH | View patents |
| Huntley, Hosea | Cincinnati | OH | View patents |
| Huntley, Hosea | Cincinnati | OH | View patents |
| Huntley, Hosea | Cincinnati | OH | View patents |
| Huntley, Hosea | Cincinnati | OH | View patents |
| Hurlbut, Thomas | Cincinnati | OH | View patents |
| Hurley, Jeremiah | Cincinnati | OH | View patents |
| Hussey, Obed | Cincinnati | OH | View patents |
| Huston, Allen | Cincinnati | OH | View patents |
| Hyndman, W. | Cincinnati | OH | View patents |
| Hyndman, William | Cincinnati | OH | View patents |
| Hyndman, William | Cincinnati | OH | View patents |
| Hyndman, William | Cincinnati | OH | View patents |