Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4319457 | Hydro-pneumatic brake cylinder device for motor vehicle brake systems | Friedrich Gross, Herbert Unger | 1982-03-16 |
| 4304534 | Piston cylinder for compressor | Herbert Unger | 1981-12-08 |