Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827149 | Operation halting circuit | — | 1989-05-02 |
YY
Yasuji Yabe
Overall (1989): #41,628 of 140,708Top 30%
1
Patents 1989