Granted Patent
Utility
US 4,263,555 · App. 06/048,826
Signal detection system
Inventor:
George W. Hunka
Patented Case
View Patent ↗
Granted: Apr 21, 1981
Filed: Jun 15, 1979
Inventor
George W. Hunka
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.