Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 351,656
Wrench
Patentee:
Frank C. Sawhill - Midway, PA

USPTO Classifications:
81/185.2, 81/347, 81/355, 81/422, D8/22

Tool Categories:
wrenches : wrench adjustment types : self-adjust wrenches
wrenches : pipe and nut combination wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
F. L. Ourand
Edward Stanton
Albert A. Heiner
Dan Gallagher

Patent Dates:
Applied: Aug. 13, 1886
Granted: Oct. 26, 1886

Patent Pictures:
Frank C. Sawhill patent October 26, 1886
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
The patented features include the swing-down pipe gripping jaw, and the pivots in the shank and lever handle which act together to move the sliding jaw.

Improved by pat. no. 360,731.

Copyright © 2002-2020 - DATAMP