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US Patent: 2,021,353
Hydraulic Pump or Motor
Patentee: Walter Ernst (exact or similar names) - Mount Gilead, Morrow County, OH USPTO Classifications: 91/498 Tool Categories: industrial machines : pumps : hydraulic pumps propulsion and energy : oil hydraulic motors Assignees: Hydraulic Press Mfg. Co. - Mount Gilead, Morrow County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 05, 1934 Granted: Nov. 19, 1935 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Hydraulic Press Mfg. Co.

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