Patents per Year
Top Inventors at Humphrey Instruments All Time
Showing 1–10 of 10 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | William E. Humphrey | 19 |
| 2 | Charles E. Campbell | 4 |
| 3 | Donald E. Lehmer | 3 |
| #4 | Alan Shinn | 2 |
| #5 | Alan R. Kirschbaum | 1 |
| #5 | Daniel H. Turnbull | 1 |
| #5 | F. Stuart Foster | 1 |
| #5 | Geoff R. Lockwood | 1 |
| #5 | James E. Sheedy | 1 |
| #5 | Vincent Michael Patella | 1 |