Patents per Year
Top Inventors at Marsh-Mcbirney All Time
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Lawrence B. Marsh | 9 |
| 2 | Donald B. Heckman | 4 |
| 3 | John D. Wright | 2 |
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Lawrence B. Marsh | 9 |
| 2 | Donald B. Heckman | 4 |
| 3 | John D. Wright | 2 |