Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321454 | Method of and welding torch for arc welding | Gerardus A. M. Willems | 1982-03-23 |
GT
Gerrit W. Tichelaar
Overall (1982): #62,803 of 81,411Top 80%
1
Patents 1982