Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5107426 | Injection and ignition system tester | Peter F. Schoenfeld, Mark F. Farenden | 1992-04-21 |
| 4845979 | Electronic fuel injector service device | Mark F. Farenden, Peter F. Schoenfeld | 1989-07-11 |