Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519608 | Method and apparatus for installing a rail on a tie in a railroad system | David Tigue, Pelle Nghi Duong | 2019-12-31 |
| 10422085 | Tie plate for railroad tracks with spike protectors | — | 2019-09-24 |