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US Patent: 1,938,762
Grinding Machine
Patentee: Frederick S. Haas (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 318/122, 318/134, 418/206.1, 451/218, 451/395, 91/264, 91/275, 91/323, 91/335, 91/391R Tool Categories: metalworking machines : grinders : cylindrical grinders Assignees: Cincinnati Grinders, Inc. - Cincinnati, Hamilton County, OH Manufacturer: Cincinnati Grinders, Inc. - Cincinnati, Hamilton County, OH Witnesses: Unknown	Patent Dates: Applied: Jan. 04, 1930 Granted: Dec. 12, 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.
Description: This patent was seen on a patent plate for a Cincinnati Cylindrical Grinder.

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