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US Patent: 392,582
Machine for Cutting Taps
Patentee: Henry E. Boyd (exact or similar names) - McKeesport, Allegheny County, PA USPTO Classifications: 409/67 Tool Categories: metalworking machines : metal threading machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 10, 1888 Granted: Nov. 13, 1888 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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