Granted Patent
Utility
US 4,228,030 · App. 06/015,771
Liquid crystal compositions
Inventor:
Herbert S. Cole, Jr.
Patented Case
View Patent ↗
Granted: Oct 14, 1980
Filed: Feb 28, 1979
Inventor
Herbert S. Cole, Jr.
Assignee (at issue)
General Electric Company
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.