Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372111 | Screw for screwing into plastic | Michael Achenbach, Juergen Behle, Ralf Birkelbach, Volker Dieckmann, Frank Dratschmidt +4 more | 2025-07-29 |
| 11754110 | Self-tapping screw | Michael Achenbach, Juergen Behle, Ralf Birkelbach, Volker Dieckmann, Frank Dratschmidt +4 more | 2023-09-12 |
| 11181139 | Securing element | Ralph J. Hellmig, Wilfried Pinzl, Gerd Weigel | 2021-11-23 |