Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5148631 | Pneumatic door operator having pneumatic actuator and lock | Robert G. Bayard, Roger J. Weseloh | 1992-09-22 |
| 4901474 | Pneumatic door operator having novel pneumatic actuator and lock | Robert G. Bayard | 1990-02-20 |
| 4583466 | Step lift for railway cars | Redreddy S. Reddy, Toussaint Filoni, Kenneth S. Fletcher, Gad Shaanan | 1986-04-22 |