Granted Patent
Utility
US 4,583,060 · App. 06/525,478
High speed voltage tunable frequency filter or frequency generator
Inventor:
Daniel D. Mawhinney
Patented Case
View Patent ↗
Granted: Apr 15, 1986
Filed: Aug 22, 1983
Inventor
Daniel D. Mawhinney
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.