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US Patent: 2,969,808
Two-Stage Valve
Patentee: Herman Horlacher (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 137/625.63, 91/374, 91/452, 91/51 Tool Categories: 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: May 22, 1958 Granted: Jan. 31, 1961 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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