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US Patent: 42,581
Power Hammer
Patentee:
Bennet Hotchkiss (exact or similar names) - New Havewn, New Haven County, CT

USPTO Classifications:
72/436

Tool Categories:
metalworking machines : forging machines : trip and helve hammers

Assignees:
None

Manufacturer:
Charles Merrill & Sons - Brooklyn, Kings County, NY

Witnesses:
Unknown

Patent Dates:
Granted: May 03, 1864

Patent Pictures:
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"Vintage Machinery" entry for Merrill Brothers

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