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US Patent: 1,276,093
Combination Wrench
Patentee:
John J. A. Miller - Denver, CO

USPTO Classifications:
81/105, 81/184

Tool Categories:
wrenches : pipe and nut combination wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Elizabeth Smith
G. Sargent Elliott

Patent Dates:
Applied: Dec. 21, 1917
Granted: Aug. 20, 1918

Patent Pictures:
John J. A. Miller patent August 20, 1918
USPTO pdf tiff
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Description:
An intermediate sliding jaw has a pipe gripping surface on one side, and smooth nut gripping face on the other. The intermediate jaw slides on the shank portion of screw-adjusting hook jaw of the "Stillson" type. That shank has a groove that holds the intermediate jaw from twisting.

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