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US Patent: 2,573,098
Hydraulic Feed Mechanism
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, 409/156, 409/170, 60/374, 60/375, 60/383, 60/421 Tool Categories: metalworking machines : metalworking machine mechanisms : hydraulic apparatus metalworking machines : milling machines Assignees: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 26, 1946 Granted: Oct. 30, 1951 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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