Granted Patent
Utility
US 5,216,530 · App. 07/449,982
Encapsulated liquid crystal having a smectic phase
Inventors:
Kenneth N. Pearlman, James L. Fergason, Ning S. Fan
Patented Case
View Patent ↗
Granted: Jun 1, 1993
Filed: Dec 13, 1989
Inventors
Kenneth N. Pearlman
James L. Fergason
Ning S. Fan
Assignee (at issue)
Taliq Corporation
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.