Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4621180 | Cavity illumination means for microwave oven | Donald J. Spencer | 1986-11-04 |
| 4618756 | Air circulation system for microwave oven | John R. Schwaderer | 1986-10-21 |
| 4321445 | Door latch interlock system for microwave oven | John R. Schwaderer | 1982-03-23 |
| 4289945 | Energy transmission and distribution system for a microwave oven | — | 1981-09-15 |