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US Patent: 1,035,968
Trip Hammer
Patentee:
John L. Kelley (exact or similar names) - Lawrence, Essex County, MA

USPTO Classifications:
72/438, 72/443

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 23, 1912
Granted: Aug. 20, 1912

Patent Pictures:
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