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US Patent: 339,813
Wrench
Patentees:
John Ryan - New York, NY
Patrick Ryan - New York, NY

USPTO Classifications:
81/171

Tool Categories:
wrenches : wrench components : wrench handle components

Assignees:
None

Manufacturer:
Barnes Tool Co. - New Haven, CT

Witnesses:
Donn Twitchell
C. Sedgwick
W. S. Walker
Edgar Tate

Patent Dates:
Applied: Jan. 14, 1886
Granted: Apr. 13, 1886

Patent Pictures:
J. and P. Ryan Pat. Apr. 13, 1886
USPTO pdf tiff
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Description:
The handle is formed of two sections, one of which contains the socket in which the base of the adjusting screw rests. The handle sections are held together by two sets of "mortise & tenon." This patent was improved by the Ryans' 1892 patent (no. 476,079), and the resulting wrench is marked BARNES TOOL CO. // PAT 1886 IMPR 1892.

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