U.S. patents available from 1976 to present.
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Inventor: Keizo Shinano

Address: Mitaka, JA
No. of patents: 1
Last patent issue date: 03/09/1976

Number	Title	Issue Date
3942287	Contour grinders A contour grinder having a grinding wheel that forms a workpiece into a desired contour by directly controlling the movement of the grinding wheel with a motor operated by numerical control. The grinding wheel has an arched shaped surface on the periphery...	03/09/1976