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US Patent: 1,258,239
Tap
Patentee: Herman W. Oster (exact or similar names) - Cleveland, OH USPTO Classifications: 408/200, 408/222, 408/226, 408/713, 470/198 Tool Categories: industrial tools : taps and dies metalworking tools : taps and dies Assignees: Oster Mfg. Co. - Cleveland, OH Manufacturer: Oster Mfg. Co. - Cleveland, OH Witnesses: R. B. Tewksbury E. L. Thurston	Patent Dates: Applied: Jan. 13, 1917 Granted: Mar. 05, 1918 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Oster Mfg. Co.

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