Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5337179 | Flexible controllable optical surface and method of making the same | — | 1994-08-09 |
| 5066114 | High refraction index enveloping medium lens system | — | 1991-11-19 |
| 4973128 | High gain optical fiber viewing device | — | 1990-11-27 |
| 4755868 | High brightness projection TV system using one or more CRTs with a concave phosphor surface acting to concentrate light into a lens system | — | 1988-07-05 |
| 4585317 | Reflector with attenuating connecting plates | Gilbert P. Hodges | 1986-04-29 |
| 4463055 | Reflective film and method of applying same | — | 1984-07-31 |
| 4457594 | Fresnel lens projection system with high gain screen | — | 1984-07-03 |
| 4398810 | Fresnel lens system | Richard A. Buchroeder | 1983-08-16 |
| D262881 | Viewing screen and supporting structure | — | 1982-02-02 |
| 4191451 | Projection screen and method of making same | — | 1980-03-04 |