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US Patent: 1,233,994
Machine for taper-forming
Patentee: Richard F. Dow (exact or similar names) - Hartford, CT USPTO Classifications: 408/147, 408/3, 82/1.4, 82/11.1 Tool Categories: metalworking machines : metal lathes Assignees: Pratt & Whitney Co. - Hartford, CT Manufacturer: Pratt & Whitney Co. - Hartford, CT Witnesses: Heath Sutherland L. L. Markel	Patent Dates: Applied: Mar. 27, 1916 Granted: Jul. 17, 1917 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Pratt & Whitney Co.

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