Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7708232 | Railroad car lateral instability and tracking error detector | Stephen E. Mace, Robert W. Martin | 2010-05-04 |
| 7328871 | Railroad car coupler gap analyzer | Stephen E. Mace, Robert W. Martin | 2008-02-12 |