Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5263643 | Thermally responsive relief valve | Ronald L. Holden | 1993-11-23 |
| 4951918 | Valve vent | Max L. Green | 1990-08-28 |
| 4908596 | Thermostat assembly | Bradley Funk | 1990-03-13 |
| 4791397 | Thermostatic switch construction | — | 1988-12-13 |