Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5473340 | Apparatus for displaying a multi-color pattern | Parviz Soltan, Thomas E. Phillips, Waldo R. Robinson, John Marez, Randy Wyatt | 1995-12-05 |
| 5049868 | Electrochromic display dot drive matrix | Paul E. Green | 1991-09-17 |
| H264 | Electrochromic display device | Thomas P. Weismuller | 1987-05-05 |
| 4501472 | Tunable electrochromic filter | — | 1985-02-26 |
| 4488780 | Method of producing a color change in a chemically coupled color-changing display | — | 1984-12-18 |
| 4474433 | Chemical color conversion of electrochromic display material | Thomas P. Weismuller | 1984-10-02 |
| 4456337 | Chemically coupled color-changing display | — | 1984-06-26 |
| 4432612 | Phthalocyanine electrochromic display with improved cycle life | Frank A. Pizzarello | 1984-02-21 |
| 4371236 | Electrochromic display using rare-earth diphthalocyanines and a low freezing-point electrolyte | — | 1983-02-01 |
| 4284858 | Dichroic transducer | — | 1981-08-18 |
| 4184751 | Phthalocyanine electrochromic display | — | 1980-01-22 |