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US Patent: 947,081
Pipe Wrench
Patentee:
John R. Morris - Marshalltown, IA

USPTO Classifications:
81/107

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

Assignees:
None

Manufacturer:
Morris-Blodgett Drop Forge Tool Company - Independence, MO

Witnesses:
E. D. B. Brown
C. H. Griesbauer
M. C. Keenan
Allie Tinker

Patent Dates:
Applied: Jan. 27, 1909
Granted: Jan. 18, 1910

Patent Pictures:
John R. Morris patent January 18, 1910 , with 15 inch example from Don Ervin collection
USPTO pdf tiff
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Description:
Screw-adjustable base for the hook jaw.

Known examples do not have the motion limiting link shown & described in the patent. They are marked "MORRIS-BLODGETT D. F. T. CO. INDEP, MO / PAT JAN 18, 1911 FORGED TOOL STEEL"

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