Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799522 | Snow chain for vehicle wheels | — | 1989-01-24 |
| 4727662 | Walking facility or anti-skid means for footgear | — | 1988-03-01 |
| 4598782 | Device for exploiting the maximum drive unit torque of the drives of vehicles or conveyers | — | 1986-07-08 |
| 4388754 | Skid protection device for wheels | — | 1983-06-21 |
| 4261561 | Walking support | — | 1981-04-14 |