Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4275616 | Hydraulic wheel drive | Friedrich Ehrlinger, Egon Mann, Manfred Fischer | 1981-06-30 |
| 4213514 | Hydraulic wheel drive with clutch | Friedrich Ehrlinger, Egon Mann, Manfred Fischer | 1980-07-22 |