Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853834 | Device for maintaining the cut-off switching state of a thyristor that can be turned off | — | 1989-08-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853834 | Device for maintaining the cut-off switching state of a thyristor that can be turned off | — | 1989-08-01 |