Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4892986 | Vacuum circuit breaker | Seiki Shimizu, Hisashi Ando | 1990-01-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4892986 | Vacuum circuit breaker | Seiki Shimizu, Hisashi Ando | 1990-01-09 |