Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 1,406,910
Wrench
Patentee:
Harry C. Sutherland - Oak Park, IL

USPTO Classifications:
81/91.2, 81/99

Tool Categories:
wrenches : wrench adjustment types : self-adjust wrenches
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Sutherland Wrench Co. - Chicago, IL

Witnesses:
none listed

Patent Dates:
Applied: Jan. 10, 1921
Granted: Feb. 14, 1922

Patent Pictures: [ 1 | 2 ]
Harry C. Sutherland patent February 14, 1922
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
A self-adjusting wrench with a spring-loaded hook jaw. The patent has a "trigger" to hold the jaw in the open position.

In the spring of 2008, Martin Donnelly's mjdtools spring auctions included a prototype of this wrench along with an archive of business start-up documents. A Mr. Bystrom figures prominently in these documents.

Copyright © 2002-2017 - DATAMP