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US Patent: 98,515
Wrench
Patentee:
Robert Morrison (exact or similar names) - New York, NY

USPTO Classifications:
81/126, 81/184

Tool Categories:
wrenches : wrench components : wrench handle components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William T. Ballard
John McCullagh

Patent Dates:
Granted: Jan. 04, 1870

Patent Pictures:
Robert Morrison Pat. Jan. 4, 1870
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Description:
The cam action of the swinging handle provides extra pressure after the jaws are tightened by a left - and right-hand threaded screw. The wrench is shown with both pipe and nut jaws.

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