Granted Patent
Utility
US 4,296,002 · App. 06/051,872
Metal oxide varistor manufacture
Inventors:
Theodore O. Sokoly, John Niedzialkowski
Patented Case
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Granted: Oct 20, 1981
Filed: Jun 25, 1979
Inventors
Theodore O. Sokoly
John Niedzialkowski
Assignee (at issue)
MCGRAW-EDISON COMPANY
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.