Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7814964 | Isolation valve for main and auxiliary vehicle air conditioning system | — | 2010-10-19 |
| RE33687 | Auxiliary air conditioning, heating and engine warming system for trucks | — | 1991-09-10 |
| 4756359 | Auxiliary air conditioning, heating and engine warming system for vehicles | — | 1988-07-12 |
| 4682649 | Auxiliary air conditioning, heating and engine warming system for trucks | — | 1987-07-28 |