Granted Patent
Utility
US 6,413,448 · App. 09/299,511
Cyclohexyl- and cyclohexenyl-substituted liquid crystals with low birefringence
Inventors:
Michael Wand, William N. Thurmes, Kundalika M. More, Xin Chen
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Apr 26, 1999
Inventors
Michael Wand
William N. Thurmes
Kundalika M. More
Xin Chen
Assignee (at issue)
Displaytech, Inc.
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.