Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5957573 | Recessed fixture frame and method | Robert J. Wedekind, Mark Owen Jones, Graham M. Rippel, Dennis J. Foley | 1999-09-28 |
| 4327403 | Lighting fixture with uniform mounting frame for old installations | Kingsley Chan, Alexandre Kartavenko | 1982-04-27 |
| 4313154 | Lighting fixture with uniform mounting frame for new installations | Kingsley Chan, Alexandre Kartavenko | 1982-01-26 |