Issued Patents All Time
Showing 76–98 of 98 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D480503 | Luminaire | Douglas J. Herst, Michael Trung Tran | 2003-10-07 |
| D480530 | Luminaire baffle structure | Douglas J. Herst, Michael Trung Tran | 2003-10-07 |
| D480172 | Luminaire | Douglas J. Herst, Michael Trung Tran | 2003-09-30 |
| D480168 | Luminaire | Douglas J. Herst, Michael Trung Tran | 2003-09-30 |
| 6273592 | Luminaire having baffles with observable visual accent | Douglas J. Herst, Hue Ly | 2001-08-14 |
| D441891 | Luminaire housing | Douglas J. Herst, Utkan Salman | 2001-05-08 |
| 6193394 | Direct-indirect luminaire having improved down light glare control | Douglas J. Herst | 2001-02-27 |
| D435310 | Luminaire housing | Douglas J. Herst, Utkan Salman | 2000-12-19 |
| 6056416 | Indirect luminaire having an upper reflector for improved brightness control | Hue Ly | 2000-05-02 |
| 5884994 | Direct-indirect luminaire with improved down light control | Douglas J. Herst | 1999-03-23 |
| 5530628 | Task light | — | 1996-06-25 |
| D362315 | Direct indirect fluorescent lighting fixture | Douglas J. Herst, Utkan Salman | 1995-09-12 |
| 5192128 | Lensed luminaire with lens brightness control and method | — | 1993-03-09 |
| 5051878 | Luminaire having a lensed reflector system for improved light distribution control | — | 1991-09-24 |
| RE33593 | Luminaire for indirect lighting | Douglas J. Herst | 1991-05-21 |
| RE33471 | Method for indirect lighting | Douglas J. Herst | 1990-12-04 |
| 4939627 | Indirect luminaire having a secondary source induced low brightness lens element | Douglas J. Herst | 1990-07-03 |
| 4698734 | Lensed indirect luminaire with side angle brightness control | — | 1987-10-06 |
| 4667275 | Luminaire for indirect lighting | Douglas J. Herst | 1987-05-19 |
| 4660131 | Method for indirect lighting | Douglas J. Herst | 1987-04-21 |
| 4644454 | Lensed indirect luminaire having improved light distribution control | Douglas J. Herst | 1987-02-17 |
| 4573111 | Linear light passing media having certain striped characteristics | Douglas J. Herst | 1986-02-25 |
| 4390930 | Indirect lighting fixture with improved light control | Douglas J. Herst | 1983-06-28 |