| 8786847 |
Light measuring meter apparatus |
John K. O'Farrell |
2014-07-22 |
| 7876421 |
Light meter apparatus and system |
John K. O'Farrell, James L. Domigan |
2011-01-25 |
| 5278737 |
Wall and ceiling lighting unit |
Ron Luce, Mark J. Hastings, Robert T. Allen |
1994-01-11 |
| 5185637 |
Portable traffic signal light photometer |
Ladd Howell |
1993-02-09 |
| 5149191 |
Combination louver/lens light fixture shield |
Joe Greer |
1992-09-22 |
| 4709312 |
Floodlight with improved reflector system |
Richard V. Heinisch |
1987-11-24 |
| 4703405 |
Glare reducing lens |
— |
1987-10-27 |
| 4665463 |
Electrostatic chuck |
Rodney Ward |
1987-05-12 |
| 4652851 |
Lamp control system |
— |
1987-03-24 |
| 4575788 |
Segmented luminaire |
— |
1986-03-11 |
| 4564888 |
Wall-wash lighting fixture |
Richard V. Heinisch, Arnold L. Tanunliong |
1986-01-14 |
| 4559587 |
Wall mounted luminaire |
Honesto D. Quiogue |
1985-12-17 |
| 4554611 |
Electrostatic chuck loading |
— |
1985-11-19 |
| 4502094 |
Electrostatic chuck |
Michael Plummer, Rodney Ward |
1985-02-26 |
| 4388675 |
Indirect lighting fixture |
— |
1983-06-14 |
| 4383289 |
Task lighting fixture for concentrating illumination |
— |
1983-05-10 |
| 4344111 |
High efficiency lighting units and systems using same |
Alan J. Ruud |
1982-08-10 |
| 4310876 |
Lighting fixture and method using multiple reflections |
Edward A. Small, Jr. |
1982-01-12 |
| 4262326 |
Lens for high intensity lamp fixtures |
— |
1981-04-14 |
| 4229782 |
High efficiency lighting units with beam cut-off angle |
Alan J. Ruud |
1980-10-21 |
