Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8253440 | Methods and systems to calibrate push-pull drivers | John Maddux, Luke A. Johnson, Ronald W. Swartz, Meetul Goyal, Rajashri Doddamani | 2012-08-28 |
| 5006847 | Train motion detection apparatus | Norman W. May | 1991-04-09 |
| 4365820 | Trailer connecting running gear | — | 1982-12-28 |
| 4361301 | Vehicle train tracking apparatus and method | — | 1982-11-30 |
| 4361300 | Vehicle train routing apparatus and method | — | 1982-11-30 |
| 4327415 | Transit vehicle handback control apparatus and method | Robert H. Perry, Richard S. Rhoton | 1982-04-27 |
| 4269377 | Door control for train vehicles | Jayant K. Kapadia | 1981-05-26 |
| 4209828 | Speed decoding and speed error determining control apparatus and method | Larry W. Anderson, Michael P. McDonald | 1980-06-24 |
| 4208717 | Program stop control of train vehicles | — | 1980-06-17 |