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US Patent: 172,246
Metal Hammering-Machine
Patentee:
Luke Chapman (exact or similar names) - Collinsville, Hartford County, CT

USPTO Classifications:
72/438, 72/456

Tool Categories:
metalworking machines : forging machines : power hammers

Assignees:
Collins Co. - Collinsville, Hartford County, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 24, 1875
Granted: Jan. 18, 1876

Patent Pictures:
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