Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10541643 | Two-axis solar concentrator system | — | 2020-01-21 |
| 7554737 | Illumination device and method using adaptable source and output format | Kevin Joseph Hathaway, David Kappel, Robert E. Fischer, Biljana Tadic-Galeb | 2009-06-30 |
| 6788460 | Projection screen apparatus | Dale S. Walker | 2004-09-07 |
| 6771339 | Methods of compensating liquid crystal displays using DC balancing | Austin L. Huang | 2004-08-03 |
| 6746122 | Image projection system engine assembly | — | 2004-06-08 |
| 6580471 | Projecting images | — | 2003-06-17 |
| 6547399 | Image engine having multiple image sources with different response times for color operation | — | 2003-04-15 |
| 6535196 | Multiplexed display element sequential color LCD panel | Dale S. Walker | 2003-03-18 |
| 6525750 | Projection display for computers | — | 2003-02-25 |
| 6490017 | Separating white light into polarized, colored light | Austin L. Huang | 2002-12-03 |
| 6390626 | Image projection system engine assembly | — | 2002-05-21 |
| 6379011 | Methods of projecting images | — | 2002-04-30 |
| 6339454 | Projecting images | — | 2002-01-15 |
| 6323854 | Multi-tile video display system with distributed CRTC | Mark W. Welker | 2001-11-27 |
| 6313893 | Compensation for DC balancing of liquid crystal displays | Austin L. Huang | 2001-11-06 |
| 6265813 | Electrodeless lamp with sealed ceramic reflecting housing | William Burton Mercer, Dale S. Walker | 2001-07-24 |
| 6243152 | Contrast polymer dispersed liquid crystal projection display system | Mehdi Zeinali | 2001-06-05 |
| 6239780 | Multiplexed display element sequential color LCD panel | Dale S. Walker | 2001-05-29 |
| 6217174 | Image projection | — | 2001-04-17 |
| 6204901 | Liquid crystal color shutters that include reflective polarizers that pass color components of light of a first polarization and that reflect a majority of color components of light of a second polarization | — | 2001-03-20 |
| 6181386 | Projecting images | — | 2001-01-30 |
| H1876 | High power lamp cooling | Dale S. Walker, William Burton Mercer | 2000-10-03 |
| 6008798 | Method of determining an object's position and associated apparatus | Stephan A. Mato, Jr., Kevin Clancy | 1999-12-28 |
| 5977942 | Multiplexed display element sequential color LCD panel | Dale S. Walker | 1999-11-02 |
| 5923116 | Reflector electrode for electrodeless bulb | William Burton Mercer, Dale S. Walker | 1999-07-13 |