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US Patent: 3,242,823
Fail Safe Clamping Mechanism for a Machine Tool
Patentees: Robert L. Sears (exact or similar names) - Loveland, Hamilton County, OH Lewis A. Dever (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 91/189R Tool Categories: metalworking machines : broaching machines 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: Mar. 22, 1965 Granted: Mar. 29, 1966 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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