Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321454 | Method of and welding torch for arc welding | Gerrit W. Tichelaar | 1982-03-23 |
GW
Gerardus A. M. Willems
Overall (1982): #62,681 of 81,411Top 80%
1
Patents 1982