Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470267 | Adjustable temperature sensitive duty cycling furnace and air conditioner control switch | Raymond K. Davis | 1984-09-11 |
| 4350871 | Horizontal passively cooled heater | Raymond K. Davis | 1982-09-21 |