Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4921377 | Cutter and drive gear assembly for dressing welding electrode tips | Norman J. Hoch | 1990-05-01 |
| 4892448 | Cutter and drive gear assembly for dressing welding electrode tips | Norman J. Hoch | 1990-01-09 |