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US Patent: 1,393,501
Drop Hammer
Patentees: Otis R. Clark (exact or similar names) - Schenectady, Schenectady County, NY Charles H. Franklin (exact or similar names) - Schenectady, Schenectady County, NY USPTO Classifications: 403/410, 72/439 Tool Categories: metalworking machines : forging machines : drop hammers Assignees: General Electric Co. - Schenectady, Schenectady County, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 31, 1919 Granted: Oct. 11, 1921 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for General Electric Co.

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