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US Patent: 335,394
Power Hammer
Patentee:
Henry St. Lawrence (exact or similar names) - Northampton, Hampshire County, MA

USPTO Classifications:
72/433, 72/441

Tool Categories:
metalworking machines : forging machines : power hammers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Aug. 06, 1885
Granted: Feb. 02, 1886

Patent Pictures:
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