Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7936148 | Battery-operated screwdriver and charger shell therefor | Heiko Roehm, Julian Bergmann | 2011-05-03 |
| 7723953 | Battery-operated screwdriver and charger shell therefor | Heiko Roehm, Julian Bergmann | 2010-05-25 |
| 7546785 | Battery-operated screwdriver | Heiko Roehm, Julian Bergmann | 2009-06-16 |