Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6385555 | Method and device for determining the rotational speed of a polyphase machine operating with field orientation and without a sensor | Frank Hoffmann | 2002-05-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6385555 | Method and device for determining the rotational speed of a polyphase machine operating with field orientation and without a sensor | Frank Hoffmann | 2002-05-07 |