Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10134310 | Current-generated photo-luminescent hybrid sign | Thomas Wells Brignall, Jr. | 2018-11-20 |
| 9852667 | Current-generated photo-luminescent hybrid sign | Thomas Wells Brignall, Jr. | 2017-12-26 |