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US Patent: 40,390
Trip Hammer
Patentee:
John Briggs (exact or similar names) - Louisville, Jefferson County, KY

USPTO Classifications:
72/438, 76/15

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Oct. 27, 1863

Patent Pictures:
USPTO (New site tip)
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