Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5662820 | Welding process for drawn ARC stud welding | Ulrich Citrich, Madsak Jurgen | 1997-09-02 |
| 5171967 | Stud-welding circuit with a plurality of outputs | — | 1992-12-15 |
| 5039835 | Electric stud-welding device | — | 1991-08-13 |