Granted Patent
Utility
US 4,612,574 · App. 06/542,311
Oscillator-frequency control interface circuit
Inventor:
Robert A. Barnes
Patented Case
View Patent ↗
Granted: Sep 16, 1986
Filed: Oct 14, 1983
Inventor
Robert A. Barnes
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.