Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6443420 | Wide-ranging valve | — | 2002-09-03 |
| 6116571 | Straight valve | — | 2000-09-12 |
| 5896884 | Modular valve structure | — | 1999-04-27 |
| 5746079 | Method for the production of a valve housing | Walter Rutsch | 1998-05-05 |