Issued Patents All Time
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 | Hendrikus van Rooijen | 1982-09-14 |
HM
Henricus Mentink
Overall (All Time): #4,075,735 of 4,157,543Top 100%
1
Patents All Time