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US Patent: 62,291
Improvement in Wrenches
Improvement in the Construction of a Common "Monkey Wrench"
Patentee:
Julius B. Savage - Southington, CT

USPTO Classifications:
81/171

Tool Categories:
wrenches : nut wrenches
wrenches : wrench components : wrench handle components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John E. Earle
A. J. Tibbits

Patent Dates:
Granted: Feb. 19, 1867

Patent Pictures:
J. B. Savage Pat. Feb. 19, 1867
USPTO pdf tiff
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Description:
The patented features are the supporting collar for the adjusting screw, the "notch" in the bar that supports the collar, and the ferule which also wedges the collar in place on the main bar.

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