Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9325226 | Electric motor having a commutator and brushes in sliding contact therewith | Weirong Zhang, Christof Frick, Guoxian Wu | 2016-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9325226 | Electric motor having a commutator and brushes in sliding contact therewith | Weirong Zhang, Christof Frick, Guoxian Wu | 2016-04-26 |