Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4419567 | Heating element for electric water heater | Robert A. Murphy | 1983-12-06 |
| 4399971 | Mounting assembly for heater thermostat control | Samuel M. Stubblefield, Jr. | 1983-08-23 |