Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6341634 | Anti-skid chain | — | 2002-01-29 |
| 4416318 | Anti-skid chain and making thereof | Hansjorg Rieger | 1983-11-22 |
| 4390053 | Anti-slip chain for vehicle tires | Hansjorg Rieger | 1983-06-28 |
| 4303116 | Tire chain | — | 1981-12-01 |
| 4271887 | Tire chain | Hansjorg Rieger | 1981-06-09 |