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US Patent: 2,085,303
Hydraulic Circuit Control Mechanism
Patentee: Hans Ernst (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 137/501, 137/87.03, 60/376, 60/380 Tool Categories: metalworking machines : metalworking machine mechanisms : hydraulic apparatus Assignees: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Manufacturer: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Witnesses: Unknown	Patent Dates: Applied: May 27, 1932 Granted: Jun. 29, 1937 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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