Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884023 | Method and apparatus for determining the rotor resistance of a rotating-field machine | Rolf Schmidt | 1989-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884023 | Method and apparatus for determining the rotor resistance of a rotating-field machine | Rolf Schmidt | 1989-11-28 |