Granted Patent
Utility
US 4,160,919 · App. 05/877,482
Exclusive-OR circuit
Inventor:
Walter R. Curtice
Patented Case
View Patent ↗
Granted: Jul 10, 1979
Filed: Feb 13, 1978
Inventor
Walter R. Curtice
Assignee (at issue)
RCA 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.