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US Patent: 2,441,291
Spindle Positioning Mechanism
Patentee: Edillio J. Riveira (exact or similar names) - Silverton, Hamilton County, OH USPTO Classifications: 318/274, 318/275, 318/277, 318/380, 318/466, 451/398, 82/146 Tool Categories: metalworking machines : metalworking machine mechanisms Assignees: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 09, 1944 Granted: May 11, 1948 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Cincinnati Milling Machine Co.

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