Granted Patent
Utility
US 5,134,366 · App. 07/719,042
Magnetic head testing apparatus for detecting occurrences of popcorn noise amid externally generated noise
Inventor:
James William Kirk
Patented Case
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Granted: Jul 28, 1992
Filed: Jun 21, 1991
Inventor
James William Kirk
Assignee (at issue)
Digital Equipment 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.