Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825138 | Brushless synchronous motor with short-circuited protective winding for the field winding of the rotor | Helmut ROLAND | 1989-04-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825138 | Brushless synchronous motor with short-circuited protective winding for the field winding of the rotor | Helmut ROLAND | 1989-04-25 |