Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5039905 | Welding connection for an electric lamp | Wilhelmus G. Essers, Jozef J. C. Buelens | 1991-08-13 |
| 4321454 | Method of and welding torch for arc welding | Gerrit W. Tichelaar | 1982-03-23 |
| 4234778 | Method of and welding torch for arc welding | Gerrit W. Tichelaar | 1980-11-18 |
| 4234779 | Method of and device for plasma-MIG welding | — | 1980-11-18 |
| 4205215 | Method and device for welding in a thermally ionized gas | — | 1980-05-27 |