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US Patent: 2,956,482
Automatic Variable Counterbalance
Patentee: Peter F. Olton (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 408/235, 409/211, 409/237 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: Oct. 29, 1956 Granted: Oct. 18, 1960 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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