Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323861 | Oscillator circuit for controlling the power level of a microwave oven | Louis M. Sandler, Walter R. Spofford | 1982-04-06 |
| 4318084 | Control system for appliances and the like | Robert L. Smith, Robert G. Bristol | 1982-03-02 |
| 4314197 | Alternating current power control circuit | Louis M. Sandler, Walter R. Spofford | 1982-02-02 |