Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6547512 | Stack changing device | Peter Hummel, Robert Ortner, Bernd Ullrich | 2003-04-15 |
| 6547513 | Stack changing device | Peter Hummel, Robert Ortner, Jens Gebel, Marc Hinz, Bernd Ullrich +1 more | 2003-04-15 |
| 6286826 | Stack changing device | Peter Hummel, Robert Ortner, Jens Gebel, Marc Hinz, Bernd Ullrich +1 more | 2001-09-11 |
| 5850907 | Guide track for roller chain drives | Jurgen Wenzel | 1998-12-22 |