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US Patent: 102,577
Metal Chuck
Patentees: Augustus Newell (exact or similar names) - Chicago, Cook County, IL William Pim (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 269/134, 269/240, 269/258, 269/85 Tool Categories: metalworking machines : metal planers work holding : vises : chucks Assignees: None Manufacturer: Pratt & Whitney Co. - Hartford, Hartford County, CT Witnesses: Henry F. Talbot H. R. Moore Charles Nida S. S. Mabee	Patent Dates: Granted: May 03, 1870 Patent Pictures: [ 1 | 2 | 3 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Pratt, Whitney & Co.
Description: Munn & Co.- patent attorneys

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