Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6530277 | Diagnostic system for a valve that can be actuated by a position controller via a drive | — | 2003-03-11 |
| 4992945 | Method and apparatus for distinguishing skidding wheels of a vehicle from drive train vibrations | — | 1991-02-12 |
| 4965696 | Voltage doubling driving circuit for controlling a field effect transistor having a source load | Joachim Schaefer | 1990-10-23 |