Granted Patent
Utility
US 5,380,460 · App. 07/763,134
Ferroelectric liquid crystal compounds containing chiral haloalkoxy tail units and compositions containing them
Inventors:
Michael Wand, William N. Thurmes, David M. Walba
Patented Case
View Patent ↗
Granted: Jan 10, 1995
Filed: Sep 20, 1991
Inventors
Michael Wand
William N. Thurmes
David M. Walba
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.