Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8178830 | Optical pressure switch, door operating system and method | Gregory S. Beck | 2012-05-15 |
| 4653227 | Door operating assembly | Nicholas B. Shankland | 1987-03-31 |
| 4341398 | System for controlling the kneeling operation of air suspension equipped transit vehicles | Carl W. Roth, Ralph A. Gritchen | 1982-07-27 |