Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 1,077,343
Wrench
Patentee:
Hubert E. Hayward - Aldrich, MO

USPTO Classifications:
81/90.1

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

Assignees:
None

Manufacturer:
Hayward Wrench Co. - St. Louis, MO

Witnesses:
O. M. Courtney
E. G. Smith
C. K. Davies
M. L. Newcomb

Patent Dates:
Applied: Jul. 11, 1912
Granted: Nov. 04, 1913

Patent Pictures: [ 1 | 2 ]
Hubert H. Hayward patent November 4, 1913, with 7 inch example
USPTO pdf tiff
Google Patents
Report data errors or omissions
Hubert H. Hayward
Description:
A double parallelogram linkage between the handle and adjustable jaw makes the wrench self-adjusting.

According to a descendant, the company operated from 1913 to 1934.

Copyright © 2002-2017 - DATAMP