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US Patent: 787,549
Double-seaming machine
Patentee: Edmund Zeh (exact or similar names) - Buffalo, NY USPTO Classifications: 413/31 Tool Categories: metalworking machines : sheet metal Assignees: Niagara Machine & Tool Works - Buffalo, NY Manufacturer: Niagara Machine & Tool Works - Buffalo, NY Witnesses: John J. Bonner C. M. Bentley	Patent Dates: Applied: Oct. 09, 1902 Granted: Apr. 18, 1905 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Niagara Machine & Tool Works

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