Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5996227 | Valve needle for an electromagnetically actuated valve and process for manufacturing the same | Ferdinand Reiter, Ludwig Dorsch | 1999-12-07 |
| 5315792 | Method for producing sealing faces on valves | Siegfried Schweizer | 1994-05-31 |
| 5303509 | Apparatus for producing sealing faces on valves | Siegfried Schweizer | 1994-04-19 |