Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10927875 | Punch rivet and method for producing a punch-riveted joint | Matthias Wissling, Frank Wilhelm, Paul BARTIG | 2021-02-23 |
| 10371190 | Punch rivet and method for producing a punch-riveted joint | Matthias Wissling, Frank Wilhelm, Paul BARTIG | 2019-08-06 |