Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4720981 | Cooling of air conditioning control electronics | Robert W. Helt | 1988-01-26 |
| 4688390 | Refrigerant control for multiple heat exchangers | — | 1987-08-25 |
| 4418548 | Variable capacity multiple compressor refrigeration system | — | 1983-12-06 |
| 4373354 | Combination discharge gas muffler and water heater | — | 1983-02-15 |
| 4333317 | Superheat controller | — | 1982-06-08 |