Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4716812 | Hydraulic drive | Gerhard Koerner, Horst Plettner, Egon Orth, Rudi Weingaertner | 1988-01-05 |
| 4623134 | Hydraulic accumulator for providing pressurized fluid | Gerhard Korner, Horst Plettner | 1986-11-18 |