Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7083308 | Structural reinforcing bracket for a luminaire housing | Ralph W. Sutherland | 2006-08-01 |
| 6524361 | Micro-porous filter | Gerry Thornton, Stephen M. Stafford | 2003-02-25 |
| 6320328 | Method and apparatus for retrofitting gas discharge lamp ballast for use with gas discharge lamp having different power rating | Isaac L. Flory, IV | 2001-11-20 |
| 4356537 | Lighting fixture retainer hook | Leo G. Stahlhut, Willard R. Garnett | 1982-10-26 |