Granted Patent
Utility
US 3,949,308 · App. 05/527,488
Varactor control unit using Q variable inductances
Inventor:
Patrick R. J. Court
Patented Case
View Patent ↗
Granted: Apr 6, 1976
Filed: Nov 26, 1974
Inventor
Patrick R. J. Court
Assignee (at issue)
Oak Industries Inc.
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.