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US Patent: 1,851,622
Valve Mechanism for Hydraulic Presses
Patentee: Walter Ernst (exact or similar names) - Mount Gilead, Morrow County, OH USPTO Classifications: 100/269.16, 144/195.1, 60/329, 60/378, 91/33, 91/441, 91/517 Tool Categories: industrial machines : hydraulic machinery : hydraulic presses hardware : valves Assignees: Hydraulic Press Mfg. Co. - Mount Gilead, Morrow County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 25, 1928 Granted: Mar. 29, 1932 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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