Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6881003 | Latching mechanism for high mast lighting system | Robert Dale Zeller, Bonnie J. Brohard, William W. Belisle | 2005-04-19 |
| 4198022 | Power cable guide for high-mast luminaire raising and lowering system | Brady Johnson, Richard G. Armstrong | 1980-04-15 |