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US Patent: 1,998,003
Hydraulic Feed Control
Patentees: Hans Ernst (exact or similar names) - Cincinnati, Hamilton County, OH Charles W. McK. Goodrich (exact or similar names) - Cincinnati, Hamilton County, OH Lester F. Nenninger (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 408/63, 409/170, 60/376, 82/133, 91/285, 91/311, 91/318, 91/335, 91/40 Tool Categories: metalworking machines : metalworking machine mechanisms : hydraulic apparatus metalworking machines : machine tool controls Assignees: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Manufacturer: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Witnesses: Unknown	Patent Dates: Applied: Feb. 28, 1929 Granted: Apr. 16, 1935 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 4FV-101.

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