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US Patent: 1,171,939
Wrench
Patentee:
Michael I. Ginsburg - Philadelphia, PA

USPTO Classifications:
81/126, 81/165

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Mollie Tobias
S. F. Williamson
H. W. Burton

Patent Dates:
Applied: Mar. 18, 1914
Granted: Feb. 15, 1916

Patent Pictures:
USPTO pdf tiff
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Description:
W. W. Williamson - patent attorney

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