Top Inventors at Cleveland Machine Controls All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Robert G. Koenig | 4 |
| 2 | Elmer L. Griebeler | 3 |
| 3 | Robert D. Matusek | 1 |
| #4 | Robert L. Mulgrave | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Robert G. Koenig | 4 |
| 2 | Elmer L. Griebeler | 3 |
| 3 | Robert D. Matusek | 1 |
| #4 | Robert L. Mulgrave | 1 |