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US Patent: 403,791
Machine for Cutting Right and Left Threads on Nipples
Patentee: Harrison H. Taylor (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 409/7 Tool Categories: metalworking machines : metal threading machines : pipe threading machines Assignees: Michigan Radiator & Iron Mfg. Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 25, 1888 Granted: May 21, 1889 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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