Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6085506 | Quiet external combustion lawn mower | — | 2000-07-11 |
| 5533566 | Constant volume regenerative heat exchanger | — | 1996-07-09 |
| 5239833 | Heat pump system and heat pump device using a constant flow reverse stirling cycle | — | 1993-08-31 |
| 4971026 | Self-cleaning air filter system | — | 1990-11-20 |
| 4918937 | Hybrid thermal powered and engine powered automobile air conditioning system | — | 1990-04-24 |
| 4679890 | Connector contact terminal | — | 1987-07-14 |