Granted Patent
Utility
US 4,292,637 · App. 06/105,110
Interrogating radar for use with tagged targets
Inventor:
Henry C. Johnson
Patented Case
View Patent ↗
Granted: Sep 29, 1981
Filed: Dec 19, 1979
Inventor
Henry C. Johnson
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.