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US Patent: 7,965
Trip Hammer
Method of Adjusting the Stroke of Trip-Hammers
Patentee:
Luther Briggs, Jr. (exact or similar names) - Braintree, Norfolk County, MA

USPTO Classifications:
72/438

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Mar. 11, 1851

Patent Pictures:
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