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US Patent: 120,017
Improvement in Power Hammers
Patentee:
Isaac Althouse (exact or similar names) - Columbus, Franklin County, OH

USPTO Classifications:
72/437

Tool Categories:
metalworking machines : forging machines : power hammers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Oct. 17, 1871

Patent Pictures:
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