Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4501262 | Solar hot water system without heat exchanger | — | 1985-02-26 |
| 4413614 | Solar heating system | William H. Yale, Donald E. Lyon | 1983-11-08 |
| 4313419 | Solar heating system | William H. Yale, Donald E. Lyon | 1982-02-02 |
| RE30540 | Heat storage water tank | Henry Harrison | 1981-03-10 |