Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4445023 | Electric thermal storage heater system for heating fluids | — | 1984-04-24 |
| 4362949 | Load controller having time integrated demand | Robert H. Stevenson | 1982-12-07 |
| 4305005 | Load controller | Robert H. Stevenson | 1981-12-08 |
| 4243871 | Fluid heating system with storage of electric heat | — | 1981-01-06 |