Granted Patent
Utility
US 4,390,042 · App. 06/173,550
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Inventors:
Harvey D. Kucherer, Ralph Kugler, Stuart L. Rieben, John J. Wilhelm, Mark E. Wylie
Patented Case
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Granted: Jun 28, 1983
Filed: Jul 30, 1980
Inventors
Harvey D. Kucherer
Ralph Kugler
Stuart L. Rieben
John J. Wilhelm
Mark E. Wylie
Assignee (at issue)
Westinghouse Electric Company 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.