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US Patent: 943,757
Wrench
Patentee:
Harry E. Stephens - Elgin, IL

USPTO Classifications:
81/177.9

Tool Categories:
wrenches : wrench adjustment types : angle adjustable wrenches
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Burgess-Norton Mfg. Co. - Geneva, IL
Stephen Wrench Co. - Chicago, IL

Witnesses:
Y. A. Cotter
Irv. L. McCathran
Geo. B. Walter
George M. Hart

Patent Dates:
Applied: Nov. 10, 1908
Granted: Dec. 21, 1909

Patent Pictures: [ 1 | 2 | 3 | 4 ]
Harry E. Stephens patent December 21, 1909
USPTO pdf tiff
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Description:
The angle of the head to the shank is adjustable in ratchet fashion in approximately a quarter turn in either direction. Produced in sets of six sizes. Announced to the trade in March, 1911 HARDWARE DEALER'S MAGAZINE.

Compare to the CRANDALL EXPERT (pat. no. 1,061,662) which is another approach to the same overall functionality.

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