Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822968 | Electromagnetic energy seal for a microwave oven | — | 1989-04-18 |
| 4800246 | Device for protecting the turntable shaft of microwave ovens from the concentration of microwaves | Eon H. Lee | 1989-01-24 |