Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887200 | Method and apparatus for determining the actual value of the margin-angle in the valves of an inverter | — | 1989-12-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887200 | Method and apparatus for determining the actual value of the margin-angle in the valves of an inverter | — | 1989-12-12 |