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US Patent: 1,952,663
Control Mechanism for Pumps and Associated Press Circuits
Patentee: Walter Ernst (exact or similar names) - Mount Gilead, Morrow County, OH USPTO Classifications: 100/269.14, 417/218, 60/381 Tool Categories: industrial machines : pumps : hydraulic pumps : hydraulic pump controls Assignees: Hydraulic Press Mfg. Co. - Mount Gilead, Morrow County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 06, 1932 Granted: Mar. 27, 1934 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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