Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8488240 | Polarization preserving projection screen with engineered pigment and method for making same | Christopher Chapman Rich, Raymond Jacob Lewandowski, Gary D. Sharp, David A. Coleman | 2013-07-16 |
| 8194315 | Polarization preserving projection screen with engineered particle and method for making same | Gary D. Sharp, David A. Coleman, Christopher Chapman Rich, Raymond Jacob Lewandowski | 2012-06-05 |
| 8169699 | Polarization preserving projection screen with engineered pigment and method for making same | Christopher Chapman Rich, Raymond Jacob Lewandowski, Gary D. Sharp, David A. Coleman | 2012-05-01 |
| 7429437 | Diffractive optical element and method of manufacture | Chris Rich | 2008-09-30 |
| 7430358 | Elliptical diffusers used in displays | Jun Qi, Christopher Chapman Rich | 2008-09-30 |
| 7343693 | Scale assembly for optical encoder having affixed optical reference markers | Donald K. Mitchell, Donald L. Grimes, William G. Thorburn, Stuart A. Dodson, II, Keith M. Hinrichs +2 more | 2008-03-18 |
| 7298533 | Optical films for creating unique optical effects | Christopher Chapman Rich | 2007-11-20 |
| 6998196 | Diffractive optical element and method of manufacture | Chris Rich | 2006-02-14 |
| 5956106 | Illuminated display with light source destructuring and shaping device | Jeremy Lerner | 1999-09-21 |
| 5609939 | Viewing screen formed using coherent light | Jeremy Lerner | 1997-03-11 |
| 5534386 | Homogenizer formed using coherent light and a holographic diffuser | Jeremy Lerner | 1996-07-09 |