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 | |
|---|---|---|---|
| Daguier, John | Cincinnati | OH | View patents |
| Dalby, Reuben | Mt. Washington | OH | View patents |
| Daniels, D. | Cincinnati | OH | View patents |
| Danks, Frank | Cincinnati | OH | View patents |
| Danks, Samuel | Cincinnati | OH | View patents |
| Danks, Samuel | Cincinnati | OH | View patents |
| Danks, Samuel | Cincinnati | OH | View patents |
| Danks, Samuel | Cincinnati | OH | View patents |
| Danks, Samuel | Cincinnati | OH | View patents |
| Danks, Samuel | Cincinnati | OH | View patents |
| Danks, Samuel | Cincinnati | OH | View patents |
| Dann, William | Cincinnati | OH | View patents |
| Darby, George | Cincinnati | OH | View patents |
| Dare, Clement | Cincinnati | OH | View patents |
| Darling, Jeremiah | Cincinnati | OH | View patents |
| Darling, Jeremiah | Cincinnati | OH | View patents |
| Darling, Jeremiah | Cincinnati | OH | View patents |
| Darling, Jeremiah | Cincinnati | OH | View patents |
| Darling, Jeremiah | Cincinnati | OH | View patents |
| Darling, Jeremiah | Cincinnati | OH | View patents |
| Darling, Jeremiah | Cincinnati | OH | View patents |
| Darrow, George | Cincinnati | OH | View patents |
| Darrow, George | Cincinnati | OH | View patents |
| Darrow, George | Cincinnati | OH | View patents |
| Darrow, George | Cincinnati | OH | View patents |
| Darrow, George | Cincinnati | OH | View patents |
| Dasenbrock, Charles | Cincinnati | OH | View patents |
| Davidson, William | Cincinnati | OH | View patents |
| Davies, S. | Cincinnati | OH | View patents |
| Davis, George | Cincinnati | OH | View patents |
| Davis, James | Cincinnati | OH | View patents |
| Davis, James | Cincinnati | OH | View patents |
| Davis, John | Cincinnati | OH | View patents |
| Davis, Samuel | Cincinnati | OH | View patents |
| Davis, W. | Cincinnati | OH | View patents |
| Davis, William | Cincinnati | OH | View patents |
| Davis, William | Cincinnati | OH | View patents |
| Davis, William | Cincinnati | OH | View patents |
| Davis, William | Cincinnati | OH | View patents |
| Davis, William | Cincinnati | OH | View patents |
| Davis, William | Cincinnati | OH | View patents |
| Davis, William | Cincinnati | OH | View patents |
| Davis, William | Cincinnati | OH | View patents |
| Davis, William | Cincinnati | OH | View patents |
| Davis, William | Cincinnati | OH | View patents |
| Davis, William | Cincinnati | OH | View patents |
| Davis, William | Cincinnati | OH | View patents |
| Davis, William | Cincinnati | OH | View patents |
| Davis, William | Cincinnati | OH | View patents |
| Dayton, Henry | Maysville | KY | View patents |
| De Bus, Henry | Cincinnati | OH | View patents |
| De Corn, Louis | Cincinnati | OH | View patents |
| De Grummond, W. | Cincinnati | OH | View patents |
| Decamp, John | Cincinnati | OH | View patents |
| Decamp, John | Cincinnati | OH | View patents |
| Degenhart, August | Cincinnati | OH | View patents |
| DeMortimer, Edwin | Cincinnati | OH | View patents |
| Denniston, John | Lynde | NY | View patents |
| DeZouche, Isaac | Cincinnati | OH | View patents |
| Dickerson, John | Cincinnati | OH | View patents |
| Dickey, Adam | Cincinnati | OH | View patents |
| Diebold, Charles | Cincinnati | OH | View patents |
| Dieckmann, Ferdinand | Cincinnati | OH | View patents |
| Dieckmann, Ferdinand | Cincinnati | OH | View patents |
| Dieckmann, Ferdinand | Cincinnati | OH | View patents |
| Dieckmann, Ferdinand | Cincinnati | OH | View patents |
| Dieringer, Coellestin | Cincinnati | OH | View patents |
| Diggins, Henry | Cincinnati | OH | View patents |
| Diggins, Henry | Cincinnati | OH | View patents |
| Diggins, Henry | Cincinnati | OH | View patents |
| Dimock, S. | Spencer | OH | View patents |
| Dixon, James | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Doane, William | Cincinnati | OH | View patents |
| Dobson, William | Cincinnati | OH | View patents |
| Dobson, William | Cincinnati | OH | View patents |
| Dodd, Edwin | Cincinnati | OH | View patents |
| Dodds, William | Cincinnati | OH | View patents |
| Dodds, William | Cincinnati | OH | View patents |
| Dodds, William | Cincinnati | OH | View patents |
| Dodds, William | Cincinnati | OH | View patents |
| Dodds, William | Cincinnati | OH | View patents |
| Dodge, Calvin | Cincinnati | OH | View patents |
| Doerler, John | Cincinnati | OH | View patents |
| Doisy, Agnes | Cincinnati | OH | View patents |
| Dolph, Alex | Cincinnati | OH | View patents |
| Dom, John | Hamilton County | OH | View patents |
| Donaldson, William | Cincinnati | OH | View patents |
| Donnelly, M. | Cincinnati | OH | View patents |
| Donnelly, Matthew | Cincinnati | OH | View patents |
| Donnelly, Matthew | Cincinnati | OH | View patents |
| Doran, David | Mount Healthy | OH | View patents |
| Douglas, J. | Cincinnati | OH | View patents |
| Drake, David | Cincinnati | OH | View patents |
| Drake, John | Cincinnati | OH | View patents |
| Drake, John | Cincinnati | OH | View patents |
| Drake, Thomas | Cincinnati | OH | View patents |
| Drake, Thomas | Cincinnati | OH | View patents |
| Dreidel, Theodore | Cincinnati | OH | View patents |
| Dreusike, Julius | Cincinnati | OH | View patents |
| Drewer, Henry | Cincinnati | OH | View patents |
| Drewer, Henry | Cincinnati | OH | View patents |
| Drips, William | Cincinnati | OH | View patents |
| Duchemin, Daniel | Cincinnati | OH | View patents |
| Duchemin, George | Cincinnati | OH | View patents |
| Dueber, John | Cincinnati | OH | View patents |
| Dueber, John | Cincinnati | OH | View patents |
| Dueber, John | Cincinnati | OH | View patents |
| Dueber, John | Cincinnati | OH | View patents |
| Dueber, John | Cincinnati | OH | View patents |
| Duerstock, Bernard | Cincinnati | OH | View patents |
| Duhme, John | Cincinnati | OH | View patents |
| Duhme, John | Cincinnati | OH | View patents |
| Dunaway, Elijah | Cincinnati | OH | View patents |
| Dunaway, Elijah | Cincinnati | OH | View patents |
| Dunaway, Elijah | Cincinnati | OH | View patents |
| Dunaway, Elijah | Cincinnati | OH | View patents |
| Dunaway, Elijah | Cincinnati | OH | View patents |
| Dunaway, Elijah | Cincinnati | OH | View patents |
| Dunaway, Elijah | Cincinnati | OH | View patents |
| Dunaway, Elijah | Cincinnati | OH | View patents |
| Dunlap, William | Cincinnati | OH | View patents |
| Dunlap, William | Cincinnati | OH | View patents |
| Durand, John | Cincinnati | OH | View patents |