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Patent applications and USPTO patent grants for Kahn; Frederic J..The latest application filed is for "apparatus for and method of operation of smectic liquid crystal light valve having scattering centers".
Patent | Date |
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Apparatus for and method of operation of smectic liquid crystal light valve having scattering centers Grant 5,140,448 - Bone , et al. August 18, 1 | 1992-08-18 |
Fabrication of printed wiring boards by projection imaging Grant 5,138,368 - Kahn , et al. August 11, 1 | 1992-08-11 |
Active matrix liquid crystal liquid crystal light valve including a dielectric mirror upon a leveling layer and having fringing fields Grant 5,056,895 - Kahn October 15, 1 | 1991-10-15 |
Apparatus and method of forming and projecting high precision optical images Grant 4,818,098 - Kahn , et al. April 4, 1 | 1989-04-04 |
Liquid crystal information storage and retrieval system Grant 4,396,997 - Kahn , et al. August 2, 1 | 1983-08-02 |
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