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US Patent: 2,170,502
Machine Tool Transmission
Patentee: Mario E. Martellotti (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 408/124, 409/238, 474/29, 476/53 Tool Categories: metalworking machines : metalworking machine mechanisms : metalworking variable speed mechanisms Assignees: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Manufacturer: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Witnesses: Unknown	Patent Dates: Applied: Mar. 26, 1936 Granted: Aug. 22, 1939 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.
Description: This patent number was seen on a Cincinnati Milling Machine Co. patent plate.

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