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US Patent: 331,158
Wrench
Patentee:
Edward Phillips - Cleveland, OH

USPTO Classifications:
81/57.5

Tool Categories:
wrenches : wrench components : wrench jaw components

Assignees:
Edward Phillips - Cleveland, OH
Theodore F. Beidler - Cleveland, OH

Manufacturer:
Unknown

Witnesses:
Chas. H. Dorer
Albert E. Lynch
Wm. M. Monroe
Geo. W. King

Patent Dates:
Applied: Sep. 15, 1885
Granted: Nov. 24, 1885

Patent Pictures: [ 1 | 2 ]
Edward Phillips Patent November 24, 1885
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Description:
Each opening has a notch directly opposite on the rotating head. The sliding bolt engages a notch, and is held in place by a thumb screw.

The specifications note this design's advantages compared to the one in pat. no. 13,120.

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