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US Patent: 1,273,904
Tap Making Machine
Patentee: Friederich Müller (exact or similar names) - Hartford, CT USPTO Classifications: 144/14, 409/72, 409/900.2, 76/117 Tool Categories: Assignees: Pratt & Whitney Co. - Hartford, CT Manufacturer: Not known to have been produced Witnesses: William J. Dolan R. R. Murphy	Patent Dates: Applied: Feb. 08, 1911 Granted: Jul. 30, 1918 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Pratt, Whitney & Co.
Description: J. H. Freeman - patent attorney patent renewed 23 Oct, 1917

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