Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4660385 | Frost control for space conditioning | Jaroslav Wurm, Vincent M. S. Huang | 1987-04-28 |
| 4493364 | Frost control for space conditioning | Jaroslav Wurm, Vincent M. S. Huang | 1985-01-15 |
| 4487027 | Hyperabsorption space conditioning process and apparatus | Thomas S. Zawacki | 1984-12-11 |
| 4413480 | Hyperabsorption space conditioning process and apparatus | Thomas S. Zawacki | 1983-11-08 |
| 4333524 | High efficiency furnace | Robert H. Elkins, Gary M. Durkin | 1982-06-08 |
| 4249594 | High efficiency furnace | Robert H. Elkins, Gary M. Durkin | 1981-02-10 |