Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875405 | Sealing device | Bruno Bernhardt | 1989-10-24 |
| 4633758 | Double-acting working cylinder having a piston-dampening arrangement | — | 1987-01-06 |
| 4617857 | Sealing arrangement for a longitudinally-slotted pressure cylinder closed on the ends | — | 1986-10-21 |