Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D566193 | Illuminated exit sign | Richard J. Clark | 2008-04-08 |
| D566194 | Illuminated exit sign | Richard J. Clark | 2008-04-08 |
| 7199529 | Inductive lighting system with back-up battery | — | 2007-04-03 |