Margerum; J. David
Patent Applications and Registrations
Patent applications and USPTO patent grants for Margerum; J. David.The latest application filed is for "dual pdlc-projection head-up display".
- Margerum; J. David - Woodland Hills CA
| Patent | Date |
|---|---|
| Dual PDLC-projection head-up display Grant 5,729,242 - Margerum , et al. March 17, 1 | 1998-03-17 |
| Liquid crystal-based composite material including electrically conducting elongated particles and having enhanced microwave birefringence Grant 5,184,233 - Lim , et al. February 2, 1 | 1993-02-02 |
| Shaped voltage pulse method for operating a polymer dispersed liquid crystal cell, and light valve employing the same Grant 5,170,271 - Lackner , et al. December 8, 1 | 1992-12-08 |
| Edge-illuminated liquid crystal display devices Grant 5,099,343 - Margerum , et al. March 24, 1 | 1992-03-24 |
| Method for tilted alignment of liquid crystals with improved photostability Grant 5,011,267 - Miller , et al. April 30, 1 | 1991-04-30 |
| Method and improved apparatus for analyzing activity Grant 4,428,380 - Wong , et al. January 31, 1 | 1984-01-31 |
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