Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4732372 | Dampers for mechanical railway springs | James M. Herring, Jr. | 1988-03-22 |
| 4555095 | Isolator for a spring in a railway car | Dante J. Graziani, Jr., James M. Herring, Jr., Michael J. Pavlick, Edward J. Renn | 1985-11-26 |
| 4526109 | Laterally damped railway car | — | 1985-07-02 |
| 4454821 | Radial articulated truck | — | 1984-06-19 |
| 4444122 | Primary suspension system for a railway car | — | 1984-04-24 |
| 4295428 | Steerable truck for a railway vehicle | Richard H. Marvin | 1981-10-20 |
| 4273498 | Railway car trap door lift | Richard H. Marvin | 1981-06-16 |
| 4271765 | Railway car tilting stabilizing system | — | 1981-06-09 |