Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4228398 | Method of testing distance relays | — | 1980-10-14 |
| 4224652 | Method and apparatus for detecting ground shorts in the rotor circuit of a generator | — | 1980-09-23 |
| 4211934 | Current-measuring input for an electronic relay | Burkhard Henle, Ivica Vukasovic | 1980-07-08 |