Granted Patent
Utility
US 4,464,636 · App. 06/455,724
Wideband IF amplifier with complementary GaAs FET-bipolar transistor combination
Inventor:
Pierre Dobrovolny
Patented Case
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Granted: Aug 7, 1984
Filed: Jan 5, 1983
Inventor
Pierre Dobrovolny
Assignee (at issue)
Zenith Electronics LLC
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.