Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7172323 | Light emitting diode light spreader | David W. Knoble | 2007-02-06 |
| D516740 | Prismatic refractor with circumferential prisms and lens | — | 2006-03-07 |
| 6910785 | Industrial luminaire with prismatic refractor | — | 2005-06-28 |
| D494308 | Prismatic refractor with circumferential prisms | — | 2004-08-10 |
| 4789923 | Reflector for roadway lighting luminaire | — | 1988-12-06 |
| 4694382 | Reflector for roadway lighting luminaire | — | 1987-09-15 |