Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8194315 | Polarization preserving projection screen with engineered particle and method for making same | Gary D. Sharp, David A. Coleman, Joel Mikael Petersen, Raymond Jacob Lewandowski | 2012-06-05 |
| 8169699 | Polarization preserving projection screen with engineered pigment and method for making same | Joel Mikael Petersen, Raymond Jacob Lewandowski, Gary D. Sharp, David A. Coleman | 2012-05-01 |
| 7430358 | Elliptical diffusers used in displays | Jun Qi, Joel Mikael Petersen | 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 | Joel Mikael Petersen | 2007-11-20 |
| 5293272 | High finesse holographic fabry-perot etalon and method of fabricating | Tomasz Jannson, Tin M. Aye, Jay W. Hirsh | 1994-03-08 |
| 5276537 | Diamondlike carbon thin film protected hologram and method of making same | Gajendra D. Savant, David G. Pelka | 1994-01-04 |
| 5083219 | Method and apparatus for recording Lippman holographic mirrors | Tomasz Jannson, Joanna L. Jannson | 1992-01-21 |
| 5026131 | High channel density, broad bandwidth wavelength division multiplexer with highly non-uniform Bragg-Littrow holographic grating | Tomasz Jannson, Joanna L. Jannson, Behzad Moslehi | 1991-06-25 |