Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10214861 | Railway tie plate retention devices and methods to facilitate railway tie replacement | William Michael Hamilton, Ryan Jay Koci | 2019-02-26 |
| 10190264 | Multi-functional railway fastening component adjustment system | William Michael Hamilton | 2019-01-29 |