Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 166,428
Improvement in Pipe-Wrenches
Hiram C. Stouffer - Canfield, OH

USPTO Classifications:
81/107, 81/396

Tool Categories:
wrenches : wrench adjustment types : screw adjust wrenches
wrenches : pipe wrenches : pipe tongs

Hiram C. Stouffer - Canfield, OH
John Childs - Smith's Ferry, PA

Not known to have been produced

John E. Laing
J. A. Rutherford
John Childs
A. E. H. Johnson

Patent Dates:
Applied: May 15, 1875
Granted: Aug. 03, 1875

Patent Pictures:
Hiram C. Stouffer Pat. August 3, 1875
USPTO pdf tiff
Google Patents
Report data errors or omissions
This is an improvement on Stouffer's January 26, 1875 patent (no. 159,229). In this patent, the pivot point is within the main bar. The two "legs" are held together by the pivot block and adjusting worm.

Noted in pat. nos. 359,722 and 2,444,135.

Copyright © 2002-2019 - DATAMP