Granted Patent
Utility
US 4,419,664 · App. 06/219,559
Co-ordinate addressing of smectic display cells
Inventors:
William Crossland, David Coates, Peter J. Ayliffe
Patented Case
View Patent ↗
Granted: Dec 6, 1983
Filed: Dec 23, 1980
Inventors
William Crossland
David Coates
Peter J. Ayliffe
Assignee (at issue)
International Standard Electric 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.