Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10814894 | Railyard crew member vest for use within a railyard | Jon A. Preston, Chris Burgess, Jeff Chastine, John Roberts | 2020-10-27 |
| 10562553 | Railyard crew member vest for use within a railyard | Jon A. Preston, Chris Burgess, Jeff Chastine, John Roberts | 2020-02-18 |