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US Patent: 1,656,323
Machine for Cutting Sheet-Form Metal
Patentee: Charles B. Gray (exact or similar names) - Philadelphia, PA USPTO Classifications: 83/482, 83/492, 83/496, 83/507 Tool Categories: metalworking machines : metal shearing machines Assignees: None Manufacturer: Southwark Foundry & Machine Co. - Philadelphia, PA Witnesses: none listed	Patent Dates: Applied: Dec. 22, 1924 Granted: Jan. 17, 1928 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Southwark Foundry

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