Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6375451 | Tape casting machine with profiled doctor blade | Klaus Robinson, Elena Sherman | 2002-04-23 |
| 5194972 | Microwave phase modulation with liquid crystals | Khoon Cheng Lim, J. David Margerum, Leroy J. Miller | 1993-03-16 |
| 5184233 | Liquid crystal-based composite material including electrically conducting elongated particles and having enhanced microwave birefringence | Khoon Cheng Lim, J. David Margerum, Leroy J. Miller | 1993-02-02 |
| 5170271 | Shaped voltage pulse method for operating a polymer dispersed liquid crystal cell, and light valve employing the same | J. David Margerum, Elena Sherman | 1992-12-08 |
| 5099343 | Edge-illuminated liquid crystal display devices | J. David Margerum, Paul J. Seiler | 1992-03-24 |
| 5096282 | Polymer dispersed liquid crystal film devices | John D. Margerum, Elena Ramos, George W. Smith, Nuno Yaz, James L. Kohler +1 more | 1992-03-17 |
| 5011267 | Method for tilted alignment of liquid crystals with improved photostability | Leroy J. Miller, Willis H. Smith, Jr., J. David Margerum | 1991-04-30 |
| 4989956 | Visual display device with fluorescent dye-doped edge-illuminating emitter panel | Wei Wu, Tsung-Yuan Hsu, Willis H. Smith, Jr. | 1991-02-05 |
| 4938568 | Polymer dispersed liquid crystal film devices, and method of forming the same | John D. Margerum, Elena Ramos, George W. Smith, Nuno A. Vaz, James L. Kohler +1 more | 1990-07-03 |
| 4917472 | Light valves with positive dielectric anisotropy liquid crystal and highly tilted off-perpendicular surface alignment, and associated operating method | John D. Margerum | 1990-04-17 |
| 4464134 | Process for inducing perpendicular alignment of liquid crystals | John D. Margerum, Leroy J. Miller | 1984-08-07 |