Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4648646 | Device for gripping and placing members | Olaf Klupfel, Walter S. Frielinghaus | 1987-03-10 |
| 4572936 | Submerged arc welding process | Edmund Heimann, Hans Baach | 1986-02-25 |