Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5265832 | Distributed PTU interface system | Richard D. Roberts, Michael R. Novakovich | 1993-11-30 |
| 4651070 | Transit vehicle start-up propulsion motor control apparatus and method | William M. Truman | 1987-03-17 |
| 4611153 | Chopper frequency determination apparatus | — | 1986-09-09 |
| 4381479 | Electric motor chopper control apparatus and method | James H. Franz, Jr. | 1983-04-26 |