Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5325671 | Rotary heat engine | — | 1994-07-05 |
| 5229702 | Power system battery temperature control | Richard BOEHLING | 1993-07-20 |
| 4373484 | Rotary piston mechanism | — | 1983-02-15 |
| 4181451 | Device for disposal of animal excrement | Carl L. Cash | 1980-01-01 |