Patents per Year
Top Inventors at Royal Master Grinders All Time
Showing 1–9 of 9 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Charles J. Cheetham | 5 |
| 2 | Todd R. Morris | 4 |
| 3 | John Memmelaar, Sr. | 3 |
| #4 | Boris M. Olevskiy | 2 |
| #4 | Edmund Smith | 2 |
| #4 | John R. Memmelaar, JR. | 2 |
| #4 | Kevin Jobes | 2 |
| #8 | Christopher J. Humme | 1 |
| #8 | Arnold S. Bunagan | 1 |