Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698777 | Camshaft revolution sensing assembly | Rudolf Bettelheim | 1997-12-16 |
| 5699009 | Electronic filtering device | Rollie M. Fisher, Rudolf Bettelheim, Percy W. Wong, P. S. Sriram | 1997-12-16 |
| 5628292 | Method and system for generating an engine position dependent output control signal | Samuel J. Guido, Rollie M. Fisher, Rudolf Bettelheim, Micah C. Knapp | 1997-05-13 |