Patents per Year
Top Inventors at Sleeper & Hartley All Time
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Frank S. Russell | 8 |
| 2 | Robert J. Simonelli | 4 |
| 3 | Timothy J. Hallihan | 3 |
| #4 | Russell Philpot | 2 |
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Frank S. Russell | 8 |
| 2 | Robert J. Simonelli | 4 |
| 3 | Timothy J. Hallihan | 3 |
| #4 | Russell Philpot | 2 |