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US Patent: 77,155
Drop Hammer
Patentee:
James Wool (exact or similar names) - Boston, Middlesex County, MA

USPTO Classifications:
72/439

Tool Categories:
metalworking machines : forging machines : drop hammers

Assignees:
James Wool - Boston, Middlesex County, MA
F. Hunnewell - Boston, Middlesex County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Apr. 21, 1868

Patent Pictures:
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