Granted Patent
Utility
US 4,629,997 · App. 06/715,848
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Inventor:
James R. Kuo
Patented Case
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Granted: Dec 16, 1986
Filed: Mar 25, 1985
Inventor
James R. Kuo
Assignee (at issue)
FAIRCHILD SEMICONDUCTOR 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.