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US Patent: 8,868
Drop Hammer
Drop-Punch
Patentee:
Solomon Andrews - Perth Amboy, Middlesex County, NJ

USPTO Classifications:
72/437

Tool Categories:
metalworking machines : forging machines : drop hammers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Apr. 13, 1852

Patent Pictures:
USPTO pdf tiff
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