Granted Patent
Utility
US 4,511,894 · App. 06/331,726
Electronic display apparatus using time multiplexed data and control signals
Inventor:
Paul M. Johnston
Patented Case
View Patent ↗
Granted: Apr 16, 1985
Filed: Dec 17, 1981
Inventor
Paul M. Johnston
Assignee (at issue)
Westinghouse Electric Company LLC
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.