Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10106933 | Universal slide-plate | Michael Del Guerrero, Steven G. Smith | 2018-10-23 |
| 7731099 | Stacked railway tie | — | 2010-06-08 |
| 5918806 | Electrically insulated railway cross tie | Joseph David Sowden Broadbent, Robert Scott Johnston, Brent Andrew Jarvis | 1999-07-06 |