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US Patent: 1,870,499
Hydraulically Operated Drop Hammer
Patentee: Walter Ernst (exact or similar names) - Mount Gilead, Morrow County, OH USPTO Classifications: 100/256, 100/269.14, 137/625.47, 91/355, 91/402 Tool Categories: metalworking machines : forging machines : drop hammers industrial machines : hydraulic machinery Assignees: Hydraulic Press Mfg. Co. - Mount Gilead, Morrow County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jun. 18, 1929 Granted: Aug. 09, 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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