Top Inventors at Grefco All Time
Showing 1–9 of 9 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | David L. Ruff | 3 |
| 1 | Richard B. Nielsen | 3 |
| 3 | N. Gokul Nath | 2 |
| #4 | Charles J. Vogelsang | 1 |
| #4 | Harlan E. Tarbell | 1 |
| #4 | Melvin J. Mirliss | 1 |
| #4 | Narikottile G. Nath | 1 |
| #4 | William R. White | 1 |
| #4 | Albert Collins | 1 |