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US Patent: 244,927
Power Hammer
Patentee:
John Patterson (exact or similar names) - London, England

USPTO Classifications:
72/433, 72/450

Tool Categories:
metalworking machines : forging machines : power hammers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Apr. 28, 1881
Granted: Jul. 26, 1881

Patent Pictures:
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