Granted Patent
Utility
US 5,477,358 · App. 08/081,009
Chiral nematic liquid crystal display with homeotropic alignment and negative dielectric anisotropy
Inventors:
Charles Rosenblatt, Michael R. Fisch, Karl A. Crandall, Rolfe G. Petschek
Patented Case
View Patent ↗
Granted: Dec 19, 1995
Filed: Jun 21, 1993
Inventors
Charles Rosenblatt
Michael R. Fisch
Karl A. Crandall
Rolfe G. Petschek
Assignee (at issue)
Case Western Reserve University
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.