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US Patent: 55,932
Improvement In Wrenches
Patentee:
George C. Taft - Worcester, MA

USPTO Classifications:
81/171

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

Assignees:
None

Manufacturer:
L. Coes & Co. - Worcester, MA
Coes Wrench Co. - Worcester, MA

Witnesses:
James H. Bancroft
Geo. F. Newton

Patent Dates:
Granted: Jun. 26, 1866

Patent Pictures: [ 1 | 2 ]
Geo. C. Taft Pat. June 26, 1866 (detail)
USPTO pdf tiff
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Collins Company vs. Loring Coes et. al. (1889 Supreme Court decision)
Description:
The main feature of the patent is an internal nut holding the load-bearing ferule of a wood-handle monkey wrench.

The construction was used in mid-1870s L. Coes & Co. screw wrenches; the patent was cited in corresponding advertisements. Wrenches using this construction were part of the complaint in the Collins Company vs. Loring Coes et al. lawsuit, although this patent was not specifically noted in that suit.

Aspects of this patent were incorporated into a broader 1870 English patent (GB-187000904) which also has features from other Taft wrench patents.

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