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US Patent: 1,540,899
Combined Metal Cutting Machine
Patentee: Frederich Müller (exact or similar names) - Hartford, Hartford County, CT USPTO Classifications: 29/38C Tool Categories: metalworking machines : metal lathes : turret lathes Assignees: Pratt & Whitney Co. - New York, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 31, 1921 Granted: Jun. 09, 1925 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Pratt, Whitney & Co.

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