Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5088463 | Fuel supply system for internal combustion engines | Roger D. Affeldt, Alvin Powell | 1992-02-18 |
| 4984542 | Thermal throttle actuator | Kenneth L. Rische, Roger D. Affeldt | 1991-01-15 |