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US Patent: 217,117
Wrench
Patentee:
William B. Killough (exact or similar names) - Larissa, TX

USPTO Classifications:
81/103, 81/384, 81/401, 81/427, 81/97

Tool Categories:
wrenches : pliers type wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. G. Beaty
R. G. McGlathy
C. Sedgwick
Henry N. Miller

Patent Dates:
Applied: Apr. 08, 1879
Granted: Jul. 01, 1879

Patent Pictures:
William B. Killough patent July 1, 1879
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Description:
The wrench features a screw-adjust jaw that incorporates a cam-lever to tighten and relax the grip of the pipe jaws. The "v" shaped jaw tips are to grasp bolts (for example carriage bolts) that are loose in their holes, to hold them so the nuts can be tightened or loosened.

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