Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4538228 | Hydraulic pressure actuated brake system for rail vehicles | Nicholas J. Brearey | 1985-08-27 |
| 4325573 | Device for regulating discharge of sand from a vehicle sander | Erik Hefter | 1982-04-20 |