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US Patent: 1,543,457
Hammer
Patentee:
Charles O. Swangren - Maywood, Cook County, IL

USPTO Classifications:
403/16, 81/19, 81/25

Tool Categories:
metalworking tools : machinist tools : machinist hammers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 17, 1923
Granted: Jun. 23, 1925

Patent Pictures:
USPTO pdf tiff
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