Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5365897 | Mechanical valve tappet | Walter Speil, Dieter Schmidt | 1994-11-22 |
| 5267538 | Mechanical valve tappet for an internal combustion engine | Walter Speil, Dieter Schmidt | 1993-12-07 |
| 5137256 | Control device for a fuel injection nozzle | — | 1992-08-11 |
| 4856468 | Ball-and-socket joint | Walter Speil, Dieter Schmidt | 1989-08-15 |
| 4840160 | Valve control device | Dieter Schmidt | 1989-06-20 |