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US Patent: 2,578,410
Open-Ended Ratchet Wrench
Patentee:
Willis J. Filiatreault - Chicago, Cook County, IL

USPTO Classifications:
81/58.2

Tool Categories:
wrenches : ratchet wrenches

Assignees:
Willis J. Filiatreault - Chicago, Cook County, IL
Aaron T. Perbohner - Chicago, Cook County, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 29, 1949
Granted: Dec. 11, 1951

Patent Pictures:
USPTO pdf tiff
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