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US Patent: 1,117,574
Wrench
Patentee:
Alfred E. Holmes (exact or similar names) - Chicago, IL

USPTO Classifications:
81/100

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

Assignees:
None

Manufacturer:
Advance Forging and Tool Works - Chicago, IL

Witnesses:
Edwin B. Nelson
Jno. H. Nelson, Jr.
Howard M. Cox
M. S. Rosenzweig

Patent Dates:
Applied: Oct. 17, 1913
Granted: Nov. 17, 1914

Patent Pictures:
Alfred E. Holmes patent November 17, 1914
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Description:
Quick adjust pipe wrench. Rack teeth on the movable jaw are engaged by rack teeth on a spring-pressed pawl.

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