Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Mikhail Levitin | Unknown | 12 |
| 2 | Martin McGrath | Markport Limited | 2 |
| 3 | Joseph Sidoti | — | 1 |
| 3 | Anna M. Marsh | — | 1 |
Part of Pennsylvania
16 patents · 4 inventors
Ranked #43,289 of 111,555 cities Top 40%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Mikhail Levitin | Unknown | 12 |
| 2 | Martin McGrath | Markport Limited | 2 |
| 3 | Joseph Sidoti | — | 1 |
| 3 | Anna M. Marsh | — | 1 |
Part of Pennsylvania