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 | |
|---|---|---|---|
| Nash, Hiram | Cincinnati | OH | View patents |
| Nash, Hiram | Cincinnati | OH | View patents |
| Naughten, James | Cincinnati | OH | View patents |
| Naughten, James | Cincinnati | OH | View patents |
| Naughten, James | Cincinnati | OH | View patents |
| Neale, Robert | Mount Carmel | OH | View patents |
| Nearstheimer, George | Cincinnati | OH | View patents |
| Neff, Peter | Cincinnati | OH | View patents |
| Nelson, Charles | Cincinnati | OH | View patents |
| Nelson, Jacob | Cincinnati | OH | View patents |
| Nelson, Richard | Cincinnati | OH | View patents |
| Nevers, Edward | Cincinnati | OH | View patents |
| Newby, Henry | Cincinnati | OH | View patents |
| Newby, Henry | Cincinnati | OH | View patents |
| Newell, Alfred | Cincinnati | OH | View patents |
| Newell, Samuel | Cincinnati | OH | View patents |
| Newill, William | Cincinnati | OH | View patents |
| Newman, Nelson | Cincinnati | OH | View patents |
| Newton, S. | Hamilton County | OH | View patents |
| Nichols, Jason | Cincinnati | OH | View patents |
| Nicholson, Henry | Cincinnati | OH | View patents |
| Nicholson, Henry | Cincinnati | OH | View patents |
| Nicholson, Henry | Mount Washington | OH | View patents |
| Nicholson, Henry | Cincinnati | OH | View patents |
| Niemann, Francis | Cincinnati | OH | View patents |
| Niermann, Gerrit | Cincinnati | OH | View patents |
| Niles, E. | Cincinnati | OH | View patents |
| Niles, Elon | Cincinnati | OH | View patents |
| Nolker, W. | Cincinnati | OH | View patents |
| Nolker, William | Cincinnati | OH | View patents |
| North, Thomas | Cincinnati | OH | View patents |
| Norton, William | Cincinnati | OH | View patents |
| Nottingham, Thomas | Cincinnati | OH | View patents |
| Nottingham, Thomas | Cincinnati | OH | View patents |
| Nottingham, Thomas | Cincinnati | OH | View patents |
| Nulsen, Anthony | Cincinnati | OH | View patents |
| Nulsen, Anthony | Cincinnati | OH | View patents |
| Nulsen, Anthony | Cincinnati | OH | View patents |
| Nye, John | Cincinnati | OH | View patents |
| Nye, John | Cincinnati | OH | View patents |
| Nye, John | Cincinnati | OH | View patents |
| Nye, John | Cincinnati | OH | View patents |