Granted Patent
Utility
US 5,231,361 · App. 07/474,909
Voltage controlled push-push oscillator with parallel resonant tank circuits
Inventors:
Duncan M. Smith, Barry R. Allen
Patented Case
View Patent ↗
Granted: Jul 27, 1993
Filed: Feb 5, 1990
Inventors
Duncan M. Smith
Barry R. Allen
Assignee (at issue)
TRW Limited
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.