Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676453 | Collimating TIR lens devices employing fluorescent light sources | William A. Parkyn | 1997-10-14 |
| 5655832 | Multiple wavelength light processor | William A. Parkyn | 1997-08-12 |
| 5613769 | Tir lens apparatus having non-circular configuration about an optical axis | William A. Parkyn | 1997-03-25 |