Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11639584 | Composite rail joint end post | Korhan Ciloglu, Sidney Shue | 2023-05-02 |
| 10753047 | Direct fixation fastener | Robert Alsop, Michael P. O'Connell | 2020-08-25 |
| D828397 | Direct fixation fastener | Robert Alsop, Michael P. O'Connell | 2018-09-11 |