Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D717483 | Linear lighting fixture | Joel E. Robinson | 2014-11-11 |
| D714484 | Linear lighting fixture | Joel E. Robinson | 2014-09-30 |
| 7710663 | Prismatic lens and reflector/refractor device for lighting fixtures having enhanced performance characteristics | Joel E. Robinson, John R. Anthony | 2010-05-04 |
| 6767106 | Edge-lit luminaire having prismatic optical control | Josh T. Barnes, Paul C. Belding, Joel E. Robinson | 2004-07-27 |
| 6550938 | Lighting fixture employing a partially reflective partially transmittive polymeric reflector | James Hamilton | 2003-04-22 |
| 5967648 | Lighting fixture including a neutral density polymeric material for controlled light distribution | Joel E. Robinson, Dale A. Troppman | 1999-10-19 |
| 5143446 | Lighting fixture with an improved light transmitting film | Josh T. Barnes, Earl E. Smith, Dale A. Troppman | 1992-09-01 |