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US Patent: 2,157,946
Infeed Cycle Control Mechanism for Grinding Machines
Patentee: Raymond D. Wortendyke (exact or similar names) - Cincinnati, OH USPTO Classifications: 451/23, 451/246, 451/395, 91/355 Tool Categories: metalworking machines : grinding machines Assignees: Cincinnati Grinders, Inc. - Cincinnati, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 25, 1938 Granted: May 09, 1939 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Cincinnati Grinders, Inc.

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