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US Patent: 64,567
Power Hammer
Patentee:
Thomas F. Preston (exact or similar names) - Pawtucket, Providence County, RI

USPTO Classifications:
72/450, 72/456, 74/44

Tool Categories:
metalworking machines : forging machines : power hammers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: May 07, 1867

Patent Pictures:
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