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US Patent: 9,322
Making Sheet Metal Vessels
Improvement in Double Seaming Machines
Patentee:
Walter Hamilton (exact or similar names) - Elmira, Chemung County, NY

USPTO Classifications:
72/50

Tool Categories:
trade specific : tinsmith

Assignees:
None

Manufacturer:
Roys & Wilcox - East Berlin, Hartford County, CT

Witnesses:
Unknown

Patent Dates:
Granted: Oct. 12, 1852

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Roys & Wilcox

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