Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5361704 | Railroad track laying system with multiple railroad tie handling | — | 1994-11-08 |
| 5311822 | Ballast hopper door control apparatus and method with independently and selectively actuated motors in response to uniquely coded signals | — | 1994-05-17 |
| 5289780 | Material handling railroad freightcar-mounted gantry and crane with toppling prevention and supplemental support upon derailment | — | 1994-03-01 |