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US Patent: 66,222
Power Hammer
Patentees:
Albert Cunningham (exact or similar names) - Salem, Columbiana County, OH
Alonzo Sharp (exact or similar names) - Salem, Columbiana County, OH

USPTO Classifications:
72/450, 74/40, 74/582

Tool Categories:
metalworking machines : forging machines : power hammers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Jul. 02, 1867

Patent Pictures:
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