Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6105752 | Weld gun receiver with anti-rebound device | Hans Wiessler, Ingeburg Hoehmann | 2000-08-22 |
| 6015962 | Stud holder for a stud-welding device | Hans Wiessler | 2000-01-18 |
| 5486678 | Process of and machinery for joining two metal sheets by welding | Jörg Hofmann, Harald Knetsch, Reinhold Opper, Hans Wiessler, Alois Bauer | 1996-01-23 |
| 5305940 | Stud welding device | Alfred Gerhardt | 1994-04-26 |