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US Patent: 114,935
Improvement in screw-taps
Patentee: George H. Fox (exact or similar names) - Boston, MA USPTO Classifications: 408/164 Tool Categories: industrial tools : taps and dies metalworking tools : taps and dies Assignees: None Manufacturer: Not known to have been produced Witnesses: C. A. Torrey Francis Gould	Patent Dates: Granted: May 16, 1871 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for George H. Fox Co.

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