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US Patent: 1,402,686
Adjustable Spanner Wrench
Patentee:
Frank W. Trabold - Brooklyn, NY

USPTO Classifications:
81/157, 81/165

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

Assignees:
None

Manufacturer:
J. H. Williams & Co. - Brooklyn, NY

Witnesses:
René Bruine

Patent Dates:
Applied: Nov. 23, 1919
Granted: Jan. 03, 1922

Patent Pictures:
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Description:
Fraser, Turk & Myers - patent attorneys

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