Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5944379 | Portable spectator seat for use on stadium benches | — | 1999-08-31 |
| 4881470 | Gondola car having frameless radial truck | Phillip G. Przbylinski | 1989-11-21 |
| 4750431 | Offset side bearing structure for well car | Eugene R. Tylisz | 1988-06-14 |
| 4570816 | Hatch cover and locking structure | Ray L. Ferris | 1986-02-18 |
| 4553642 | Brake arrangement for single axle wheel truck of railway car | — | 1985-11-19 |
| 4534453 | Brake lever assembly for railway car | — | 1985-08-13 |
| 4194595 | Dead lever anchoring means for railway car brake rigging | — | 1980-03-25 |