Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5852350 | Railroad crossing gate control system including a separate maintenance relay | — | 1998-12-22 |
| 5834914 | Railroad crossing gate mechanism control system | James E. Moe | 1998-11-10 |
| 4895325 | Railroad gate arm lamp circuit | — | 1990-01-23 |