Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5959773 | Parallel plate beam splitter configuration in high index glass | — | 1999-09-28 |
| 5621551 | Immersed dichroic system for single projection lens liquid crystal video projector | Alan R. Henderson | 1997-04-15 |
| 4715684 | Optical system for three color liquid crystal light valve image projection system | — | 1987-12-29 |
| 4544237 | High efficiency optical tank for two-color liquid crystal light valve image projection with color selective prepolarization | — | 1985-10-01 |
| 4500172 | Two color liquid crystal light valve image projection system with single prepolarizer | Roy A. Cedarstrom | 1985-02-19 |
| 4464018 | Liquid crystal light valve image projection system with color selective prepolarization and blue mirror | — | 1984-08-07 |
| 4464019 | Two-color liquid crystal light valve image projection system with color selective prepolarizers in single optical tank | — | 1984-08-07 |
| 4461542 | High efficiency optical tank for three color liquid crystal light valve image projection with color selective prepolarization | — | 1984-07-24 |
| 4425028 | High efficiency optical tank for three color liquid crystal light valve image projection with color selective prepolarization and single projection lens | Robert T. Carson | 1984-01-10 |