Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831225 | Microwave oven/convection oven having means for controlling ventilation of the cooking chamber | Kengo Hirata | 1989-05-16 |
KI
Kathumi Ishifuro
Overall (1989): #90,723 of 140,708Top 65%
1
Patents 1989