Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4894515 | Hot plate for cooking | — | 1990-01-16 |
| 4808793 | Tankless electric water heater with instantaneous hot water output | — | 1989-02-28 |
| 4286377 | Method of manufacture for a resistance heater and temperature sensor | Raymond L. Dills | 1981-09-01 |
| 4251716 | Self-cleaning glass-ceramic surface cooking unit | Walter E. Lewis | 1981-02-17 |
| 4242554 | Effective time ratio browning in a microwave oven employing high thermal mass browning unit | Thomas R. Payne | 1980-12-30 |
| 4227062 | Optimum time ratio control system for microwave oven including food surface browning capability | Thomas R. Payne | 1980-10-07 |