Granted Patent
Utility
US 4,295,098 · App. 06/105,122
Digitally adjustable phase shifting circuit
Inventor:
Albert T. Crowley
Patented Case
View Patent ↗
Granted: Oct 13, 1981
Filed: Dec 19, 1979
Inventor
Albert T. Crowley
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.