Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5788176 | Safety belt retractor with belt tensioner acting on the belt reel | Volker Holzapfel, Gunter Weyhmuller | 1998-08-04 |
| 5526996 | Seat belt retractor | John E. Grout, Volker Holzapfel, Albrecht Muller, Gunter Weyhmuller | 1996-06-18 |
| 5169085 | Safety belt retractor with a vehicle-sensitive and webbing-sensitive blocking mechanism | Gunter Kalbantner, Robert Kopetzky | 1992-12-08 |
| 4989804 | Belt retractor for safety-belt restraining systems in motor vehicles | Bernhard Kaufmann | 1991-02-05 |