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US Patent: 1,904,395
Spindle Bearing
Patentee: Alexander G. Whitehead (exact or similar names) - Hartford, Hartford County, CT USPTO Classifications: 384/534, 384/542 Tool Categories: metalworking machines : metalworking machine mechanisms : metalworking machine bearings Assignees: Pratt & Whitney Co. - New York, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 17, 1930 Granted: Apr. 18, 1933 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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