Issued Patents All Time
Showing 76–90 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6010747 | Process for making optical structures for diffusing light | Karl W. Beeson, Jose C. Diaz, Mac Maxfield | 2000-01-04 |
| 5761355 | Light directing optical structure | Jerry W. Kuper, Leon Segal, Karl W. Beeson | 1998-06-02 |
| 5748828 | Color separating backlight | Ivan B. Steiner, Karl W. Beeson | 1998-05-05 |
| 5739931 | Illumination system employing an array of microprisms | Karl W. Beeson, Janpu Hou, John C. Schweyen | 1998-04-14 |
| 5696865 | Optical waveguide having two or more refractive indices and method of manufacturing same | Karl W. Beeson, Paul Michael Ferm | 1997-12-09 |
| 5657408 | Optical device comprising a plurality of units having at least two geometrically-differentiated tapered optical waveguides therein | Paul Michael Ferm, Karl W. Beeson, John C. Schweyen, Okan K. Tezucar | 1997-08-12 |
| 5598281 | Backlight assembly for improved illumination employing tapered optical elements | Karl W. Beeson, Paul Michael Ferm | 1997-01-28 |
| 5555329 | Light directing optical structure | Jerry W. Kuper, Leon Segal, Karl W. Beeson | 1996-09-10 |
| 5555109 | Illumination system employing an array of microprisms | Karl W. Beeson, Janpu Hou, John C. Schweyen | 1996-09-10 |
| 5521725 | Illumination system employing an array of microprisms | Karl W. Beeson, Ivan B. Steiner | 1996-05-28 |
| 5521726 | Polarizer with an array of tapered waveguides | Paul Michael Ferm, Lawrence W. Shacklette, Michael J. McFarland | 1996-05-28 |
| 5481385 | Direct view display device with array of tapered waveguide on viewer side | Karl W. Beeson, Michael J. McFarland, James T. Yardley, Paul Michael Ferm | 1996-01-02 |
| 5462700 | Process for making an array of tapered photopolymerized waveguides | Karl W. Beeson, Paul Michael Ferm, Michael J. McFarland | 1995-10-31 |
| 5428468 | Illumination system employing an array of microprisms | Karl W. Beeson, Janpu Hou, John C. Schweyen | 1995-06-27 |
| 5396350 | Backlighting apparatus employing an array of microprisms | Karl W. Beeson, Paul Michael Ferm | 1995-03-07 |