Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887209 | Electronic cash register system | — | 1989-12-12 |
YS
Yasuo Sugishima
Overall (1989): #41,752 of 140,708Top 30%
1
Patents 1989