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US Patent: 1,486,974
Barrel-seaming machine
Patentee: Bror J. Lindgren (exact or similar names) - Buffalo, NY USPTO Classifications: 413/37 Tool Categories: Assignees: Niagara Machine & Tool Works - Buffalo, NY Manufacturer: Niagara Machine & Tool Works - Buffalo, NY Witnesses: Unknown	Patent Dates: Applied: Apr. 25, 1921 Granted: Mar. 18, 1924 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
Description: "This invention relates to a machine for forming seamed joints between the body and heads of a sheet metal barrel or cask..."

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