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US Patent: 1,937,192
Control Mechanism for Hydraulic Motors
Patentees: Walter Ernst (exact or similar names) - Mount Gilead, Morrow County, OH Howard F. MacMillin (exact or similar names) - Mount Gilead, Morrow County, OH USPTO Classifications: 100/256, 100/269.14, 60/380, 91/356 Tool Categories: industrial machines : hydraulic machinery : hydraulic motor controls Assignees: Hydraulic Press Mfg. Co. - Mount Gilead, Morrow County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Nov. 24, 1930 Granted: Nov. 28, 1933 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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