Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855549 | Circuit breaker | Haruhisa Toda | 1989-08-08 |
SM
Shiroo Murata
Overall (1989): #57,253 of 140,708Top 45%
1
Patents 1989