Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5345369 | Optical system for lamp-mounting elongate roof fixture | Eric J. Haugaard | 1994-09-06 |
| 5105347 | Bollard luminaire | Eric J. Haugaard | 1992-04-14 |
| 4689729 | Floodlight | Donald Wandler | 1987-08-25 |
| 4344111 | High efficiency lighting units and systems using same | Ian Lewin | 1982-08-10 |
| 4229782 | High efficiency lighting units with beam cut-off angle | Ian Lewin | 1980-10-21 |