Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10879729 | Backup battery systems for traffic cabinets | Tim Hysell, Dan Sisson, Mark William Slobodnik | 2020-12-29 |
| 9570940 | Backup battery systems for traffic cabinets | Tim Hysell, Dan Sisson, Mark William Slobodnik | 2017-02-14 |