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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: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Merrill Brothers

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