Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491292 | Piston and cylinder assembly | Rolf Mintgen | 2002-12-10 |
| 6311813 | Axially movable switching sealing ring within a groove | Leo Lauderbach | 2001-11-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491292 | Piston and cylinder assembly | Rolf Mintgen | 2002-12-10 |
| 6311813 | Axially movable switching sealing ring within a groove | Leo Lauderbach | 2001-11-06 |