Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622340 | Rail switch point assist apparatus | Charles W. Turner | 1997-04-22 |
| 5482231 | Rail switch point assist apparatus | Charles W. Turner | 1996-01-09 |
| 5375796 | Railway switch stand having slide block actuator and two independent operating mechanisms | Charles W. Turner, Clarence L. Flessate | 1994-12-27 |