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US Patent: 2,535,909
Hydraulic Transmission
Patentees: Hans Ernst (exact or similar names) - Cincinnati, Hamilton County, OH Albert H. Dall (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 409/146, 409/170 Tool Categories: metalworking machines : milling machines metalworking machines : metalworking machine mechanisms : hydraulic apparatus Assignees: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Nov. 27, 1944 Granted: Dec. 26, 1950 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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