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US Patent: 2,006,311
Leakage Compensator for Hydraulic Systems
Patentees: Hans Ernst (exact or similar names) - Cincinnati, Hamilton County, OH Bernard Sassen (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 60/329, 60/430, 60/455, 60/464, 60/475, 91/410 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: Sep. 09, 1931 Granted: Jun. 25, 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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