Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11839496 | Monitors for movements of workers | Roscoe McCord, Michael Lawrance, Steven Cowley, John W. Pryor | 2023-12-12 |
| 4721189 | Retarders suitable for wagon speed control | — | 1988-01-26 |
| 4650038 | Retarders suitable for wagon speed control | — | 1987-03-17 |
| 4535872 | Retarders suitable for wagon speed control and having means for holding them in their operative condition | Christopher F. Flippance, Ian C. Parry | 1985-08-20 |
| 4325307 | Buffer stop | — | 1982-04-20 |