Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4774814 | Ice making machine | Thomas E. Yingst | 1988-10-04 |
| D258232 | Solar collector panel | — | 1981-02-10 |
| 4226604 | Method and apparatus for preventing overheating of the superheated vapors in a solar heating system using a refrigerant | — | 1980-10-07 |