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US Patent: 34,434
Drop Hammer
Improvement in Forging Apparatus
Patentee:
Richard S. Lawrence (exact or similar names) - Hartford, Hartford County, CT

USPTO Classifications:
72/437

Tool Categories:
metalworking machines : forging machines : drop hammers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Feb. 18, 1862

Patent Pictures:
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