Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8359951 | Wrenching tong | Bernd-Georg Pietras, Andreas Carlsson | 2013-01-29 |
| 7861618 | Wrenching tong | Bernd-Georg Pietras, Andreas Carlsson | 2011-01-04 |
| 7028585 | Wrenching tong | Bernd-Georg Pietras, Andreas Carlsson | 2006-04-18 |