Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9524661 | Outdoor billboard with lighting assemblies | David Siucheong Auyeung, William Y. Hall | 2016-12-20 |
| 9514663 | Method of uniformly illuminating a billboard | David Siucheong Auyeung, William Y. Hall | 2016-12-06 |
| 9349307 | Forty-eight by fourteen foot outdoor billboard to be illuminated using only two lighting assemblies | David Siucheong Auyeung, William Y. Hall | 2016-05-24 |