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US Patent: 1,707,478
Grooving Tool
Patentee: Ralph E. Hyde (exact or similar names) - Cleveland, Cuyahoga County, OH USPTO Classifications: 82/128 Tool Categories: specialty tools : grooving tools metalworking tools : portable turning tools Assignees: Oster Mfg. Co. - Cleveland, Cuyahoga County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 18, 1927 Granted: Apr. 02, 1929 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Oster Mfg. Co.

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