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CA Patent: CA-277,022
Centreless Grinding Machine
Patentee: Harold W. Holmes (exact or similar names) - Cincinnati, OH USPTO Classifications: Tool Categories: metalworking machines : grinding machines Assignees: Heim Grinder Co. - Danbury, CT Detroit Machine Tool Co. - Detroit, MI Cincinnati Grinders, Inc. - Cincinnati, OH Manufacturer: Cincinnati Grinders, Inc. - Cincinnati, OH Witnesses: Unknown	Patent Dates: Granted: Jan. 10, 1928 Patent Pictures: CIPO Data Espacenet patent Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Cincinnati Grinders, Inc.

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