Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4405855 | Method and apparatus for regulating the temperature of a heating element in a water heater | Svein Johannessen | 1983-09-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4405855 | Method and apparatus for regulating the temperature of a heating element in a water heater | Svein Johannessen | 1983-09-20 |