Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11757210 | Stud/nut ground apparatus with a tin-zinc coating | Frank Drexler, Ralf Pimper, Frank Benner | 2023-09-12 |
| 6338601 | Punch rivet, riveted joints produced with it, riveting tool and method of producing a riveted joint | Dieter Mauer, Reinhold Opper | 2002-01-15 |
| 5834727 | Electric welding device | — | 1998-11-10 |