Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 120,475
Improvement in Pipe Wrench Attachment for Monkey Wrenches
Andrew H. Woodruff - Lansing, IA

USPTO Classifications:
81/184, 81/186

Tool Categories:
wrenches : wrench components : pipe jaw attachments for wrenches


Not known to have been produced

Chas. Nida
Francis McArdle
H. M. Travis
Cyrus Watts

Patent Dates:
Granted: Oct. 31, 1871

Patent Pictures:
Andrew H. Woodruff Pat. Oct. 31, 1871
USPTO pdf tiff
Google Patents
Report data errors or omissions
The jaw could sit on either the fixed or movable jaw of a a monkey wrench; it slips over the shank with spring clips.

The BILLINGS & SPENCER pipe wrench attachment introduced early in the 20th Century was also a "clip-on."

Copyright © 2002-2018 - DATAMP