Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7174615 | Screw holder | Philipp Büscher | 2007-02-13 |
| 7137322 | Screw holder | Philipp Büscher | 2006-11-21 |
| 6971293 | Screwdriver with a screw holder | Andreas Appenzeller, Stephan Rupp | 2005-12-06 |