Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4512157 | Solar powered fluid heating system | — | 1985-04-23 |
| 4483320 | Solar powered fluid heating system | Otto K. Wetzel, Jr. | 1984-11-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4512157 | Solar powered fluid heating system | — | 1985-04-23 |
| 4483320 | Solar powered fluid heating system | Otto K. Wetzel, Jr. | 1984-11-20 |