Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10508675 | Method for anchoring an expansion anchor in a borehole | — | 2019-12-17 |
| 10465730 | Self-piercing rivet and self-piercing riveting method and self-piercing riveted joint | Steffen Hofmann, Paul BARTIG, Frank Wilhelm | 2019-11-05 |
| 10371190 | Punch rivet and method for producing a punch-riveted joint | Frank Wilhelm, Paul BARTIG, Paul Hez | 2019-08-06 |