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US Patent: 1,539,987
Adjustable Wrench
Patentee:
John A. Bell - Detroit, MI

USPTO Classifications:
81/126, 81/129.5, 81/142

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Feb. 11, 1924
Granted: Jun. 02, 1925

Patent Pictures:
USPTO pdf tiff
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Description:
Clarence A. O'Brien - patent attorney

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