Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825919 | Railroad adzer debris removal means | Todd R. Kubicek | 1989-05-02 |
| 4777885 | Spike driving machine including locking strut for spike driver gun | — | 1988-10-18 |
| 4727989 | Automatic tie plate orientation sensing system | Dennis J. Cotic | 1988-03-01 |
| 4579061 | Spike driving machine including improved rail clamping apparatus | — | 1986-04-01 |
| 4538793 | Dual claw spike puller | Ervin M. Sheperd | 1985-09-03 |
| 4256040 | Proportional controller | — | 1981-03-17 |