Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850904 | Connector for telephone cables | — | 1989-07-25 |
TS
Tatsuyoshi Shimizu
Overall (1989): #52,360 of 140,708Top 40%
1
Patents 1989