Top Inventors at Helwig Carbon Products All Time
Showing 1–7 of 7 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Jeffrey D. Koenitzer | 2 |
| 1 | Marvin Herche | 2 |
| 3 | Brian David Stone | 1 |
| 3 | Jeff D. Koenitzer | 1 |
| 3 | Kenneth E. Kartman, Jr. | 1 |
| 3 | Nitin Diwakar Kulkarni | 1 |
| 3 | Randall Scott Herche | 1 |