Granted Patent
Utility
US 4,397,119 · App. 06/238,393
Adjustable crankpin locators for a crankshaft grinding machine
Inventor:
Peter Valinski
Patented Case
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Granted: Aug 9, 1983
Filed: Feb 24, 1981
Inventor
Peter Valinski
Assignee (at issue)
Warner & Swasey
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.