Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5309607 | Hose clip | Ralf Hohmann, Bernd Kleinhens, Manfred Kruger, Stephan Mann, Erich Ruf +5 more | 1994-05-10 |
| 4898407 | Coupling for pipes with plain ends | — | 1990-02-06 |
| 4842306 | Pipe coupling | Manfred Kruger | 1989-06-27 |
| 4819974 | Pipe coupling | — | 1989-04-11 |
| 4729582 | Pipe coupling | — | 1988-03-08 |