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US Patent: 136,797
Wrenches
Patentee:
James B. Weeden - Stafford, CT

USPTO Classifications:
81/169

Tool Categories:
wrenches : nut wrenches

Assignees:
Marcus M. Johnson - Stafford, CT
James B. Weeden - Stafford, CT

Manufacturer:
Not known to have been produced

Witnesses:
Timo. E. Steele
John R. Wittig
Frank E. Dwight
Aaron F. Greene

Patent Dates:
Granted: Mar. 11, 1873

Patent Pictures:
James B. Weeden Pat. March 11, 1873
USPTO pdf tiff
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Description:
A knob at the end of the handle has internal threads that advance and retract the movable jaw. The wrench has an adjustable socket for axle-nuts, and regular flat jaws.

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