Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836576 | Polarization recovery system using light pipes | — | 2004-12-28 |
| 6829412 | Lensed tapered optical waveguide | — | 2004-12-07 |
| 6739726 | Illumination engine for a projection display using a tapered light pipe | — | 2004-05-25 |
| 6672740 | Condensing and collecting optical system using parabolic reflectors or a corresponding ellipsoid/hyperboloid pair of reflectors | — | 2004-01-06 |