Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6271630 | High intensity discharge lighting fixture | — | 2001-08-07 |
| 4636072 | Method and apparatus for improved photometric testing of high intensity discharge lamps and luminaires | — | 1987-01-13 |
| D272475 | Luminaire | — | 1984-01-31 |
| D254693 | Light diffuser for luminaire as shown and described | Russell C. Dahl | 1980-04-08 |
| D254215 | Luminaire | Russell C. Dahl | 1980-02-12 |