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US Patent: 1,566,764
Wrench
Patentee:
Thomas Murphy (exact or similar names) - Middletown, CT

USPTO Classifications:
81/109, 81/110

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench adjustment types : self-adjust wrenches

Assignees:
Thomas Murphy - Middletown, CT
Berkley C. Stone - Middletown, CT

Manufacturer:
Stone and Murphy, Inc. - Middletown, CT

Witnesses:
Unknown
Patent Dates:
Applied: May 15, 1923
Granted: Dec. 22, 1925

Patent Pictures:
Thomas Murphy patent Dec. 22, 1925, with 5 inch Stone and Murphy, Inc. Middletown, Conn.
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Description:
A hook jaw self-adjusting pipe wrench with the pivot point movable to three positions in the fashion of a slip-joint pliers.

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