Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 538,166
Wrench
Patentee:
Jonathan A. Hunt (exact or similar names) - Westborough, MA

USPTO Classifications:
81/176, 81/356, 81/361, 81/396

Tool Categories:
wrenches : wrench adjustment types : screw adjust wrenches
wrenches : wrench adjustment types : auxiliary levers on wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Chas. F. Schmelz
Mary J. Galvin
J. C. Dewey
Patent Dates:
Applied: Aug. 24, 1894
Granted: Apr. 23, 1895

Patent Pictures:
Jonathan A. Hunt patent April 23, 1895
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz
Description:
The patent inserts a clamping cam lever into the action of a screw-adjust nut wrench to tighten the overall grip of the jaws.

Copyright © 2002-2024 - DATAMP