Granted Patent
Utility
US 5,338,481 · App. 07/927,698
Asymmetrical nonpolar diphenyl-diacetylene liquid crystals eutectic mixtures
Inventors:
Shin-Tson Wu, J. David Margerum, Hsiang-Hui B. Meng, Larry R. Dalton
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: Aug 10, 1992
Inventors
Shin-Tson Wu
J. David Margerum
Hsiang-Hui B. Meng
Larry R. Dalton
Assignees (at issue)
Hughes Aircraft Company
University of Southern California
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.