Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 645,665
Wrench
Patentee:
Henry B. Hartford - Standish, ME

USPTO Classifications:
81/175, 81/177.1, 81/186

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

Assignees:
Orlando P. Weeks - Standish, ME
Bion W. Whitney - Standish, ME

Manufacturer:
Weeks and Whitney Wrench Co. - Sebago Lake, ME

Witnesses:
Chas. E. Brock
W. C. Lunsford
Alvin C. Dresser
Bion W. Whitney

Patent Dates:
Applied: Jul. 22, 1899
Granted: Mar. 20, 1900

Patent Pictures:
Henry B. Hartford patent March 20, 1900
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
Toothed curved jaws and screw clamping action for gripping and turning pipes and rods.

The patent has been associated with the WEEKS & WHITNEY (Sebago Lake, ME) wrench introduced in 1913. That wrench has straight jaw faces with sharp tips for grasping the round heads of carriage bolts.

Copyright © 2002-2017 - DATAMP