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US Patent: 347,157
Pipe and Nut Wrench
John H. Bowers - Mound City, MO

USPTO Classifications:
81/142, 81/94

Tool Categories:
wrenches : pipe and nut combination wrenches


Not known to have been produced

G. J. Elliott
E. W. Johnson
James A. Crisnell
Saml. Glick

Patent Dates:
Applied: May 27, 1886
Granted: Aug. 10, 1886

Patent Pictures:
John H. Bowers patent August 10, 1886
USPTO pdf tiff
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The lever handle operates catches which engage notches in the main shank to hold the adjustment. The catches have pivotal connection to the lever handle, and slide in slots in the movable jaw frame. The pipe gripping jaw pivots on its frame as well.

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