Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6250443 | Device for winding and unwinding lines, and apparatus equipped with such a device | Helmut Richter | 2001-06-26 |
| 6065710 | Apparatus for winding and unwinding cables and device with such an apparatus | Helmut Richter | 2000-05-23 |