Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851924 | Color recorder overhead projector with color recorder | Yasuhiko Saka | 1989-07-25 |
TN
Takuma Nakamura
Overall (1989): #52,763 of 140,708Top 40%
1
Patents 1989