Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8469436 | Clamping device | Hans Boris Hahnen, Frank Neumeyer, Frank Frentzen, Rolf Birkenbach, Joachim Rossbach +5 more | 2013-06-25 |
| 8403396 | Roller carriage for a sliding bow roof for a truck or truck trailer | Hans Boris Hahnen, Frank Neumeyer, Frank Frentzen, Rolf Birkenbach, Joachim Rossbach +4 more | 2013-03-26 |