Granted Patent
Utility
US 4,835,586 · App. 07/099,452
Dual-gate high density fet
Inventors:
Adrian I. Cogan, Richard A. Blanchard
Patented Case
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Granted: May 30, 1989
Filed: Sep 21, 1987
Inventors
Adrian I. Cogan
Richard A. Blanchard
Assignee (at issue)
SILICONIX INCORPORATED
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.