Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622148 | Control for a motor vehicle cranking system | Xiaolin B. Xue, Charles M. Freitas, Mark A. Brantmeyer, Xingyi Xu | 1997-04-22 |
| 4994701 | Brush holder assembly | — | 1991-02-19 |
| 4868441 | Brush holder assembly | — | 1989-09-19 |