Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4618756 | Air circulation system for microwave oven | Mark J. Kristof | 1986-10-21 |
| 4321445 | Door latch interlock system for microwave oven | Mark J. Kristof | 1982-03-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4618756 | Air circulation system for microwave oven | Mark J. Kristof | 1986-10-21 |
| 4321445 | Door latch interlock system for microwave oven | Mark J. Kristof | 1982-03-23 |