Margerum; John D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Margerum; John D..The latest application filed is for "polymer dispersed liquid crystal film devices".
- Margerum; John D. - Woodland Hills CA
- Margerum; John D. - Chatsworth CA
| Patent | Date |
|---|---|
| Polymer dispersed liquid crystal film devices Grant 5,096,282 - Margerum , et al. March 17, 1 | 1992-03-17 |
| Polymer dispersed liquid crystal film devices, and method of forming the same Grant 4,938,568 - Margerum , et al. July 3, 1 | 1990-07-03 |
| Light valves with positive dielectric anisotropy liquid crystal and highly tilted off-perpendicular surface alignment, and associated operating method Grant 4,917,472 - Margerum , et al. April 17, 1 | 1990-04-17 |
| Process for inducing perpendicular alignment of liquid crystals Grant 4,464,134 - Lackner , et al. August 7, 1 | 1984-08-07 |
| Method Of Controlling The Intensity Of A Light Beam Using Photochromic Compounds Grant 3,741,628 - Margerum June 26, 1 | 1973-06-26 |
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