Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349721 | Coated welding electrode of basic type suitable for vertical down welding of pipes | Henricus Mentink | 1982-09-14 |
HR
Hendrikus van Rooijen
Overall (1982): #59,249 of 81,411Top 75%
1
Patents 1982