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US Patent: RE7,573
Machine for Threading Wood Screws
Patentee: Hayward A. Harvey (exact or similar names) - New York, NY USPTO Classifications: 470/59, 470/80 Tool Categories: Assignees: American Screw Co. - Providence, RI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 07, 1877 Granted: Mar. 27, 1877 Reissue Information: Reissue of 42,766 (May 17, 1864) Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for American Screw Co.

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