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US Patent: 1,940,214
Truing Device
Patentee: Harold W. Holmes (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 125/11.06 Tool Categories: metalworking machines : grinders : grinder dressers Assignees: Cincinnati Grinders, Inc. - Cincinnati, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 14, 1926 Granted: Dec. 19, 1933 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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