Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10801169 | Truck safety modules for assisting workpersons to place and retrieve traffic delineators | Robert H. Roy, Andrew C. Washburn, Joseph T. Piggott | 2020-10-13 |
| 10556545 | Over-cab rack for traffic delineators | Robert H. Roy, Andrew C. Washburn, Joseph T. Piggott | 2020-02-11 |