Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802689 | Suspension system for rigid vehicle axle | Friedrich Hoffmann | 1989-02-07 |
| 4562874 | Tire pressure control system | — | 1986-01-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802689 | Suspension system for rigid vehicle axle | Friedrich Hoffmann | 1989-02-07 |
| 4562874 | Tire pressure control system | — | 1986-01-07 |