Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805740 | Motor-driven brake system, especially for rail vehicles | Richard Wilke | 1989-02-21 |
| 4680982 | Circulating-ball drive | Richard Wilke | 1987-07-21 |
| 4557355 | System for controlling an electromechanically reciprocable load | Richard Wilke | 1985-12-10 |
| 4366723 | Recirculating-ball drive | Richard Wilke | 1983-01-04 |