Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 639,640
Wrench
Improvements in Pipe-Wrenches
Patentee:
Morgan Williams (exact or similar names) - Aspen, CO

USPTO Classifications:
81/107, 81/176

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. T. Morrow
F. H. Stockman
Grafton L. McGill
Jno. Imirie

Patent Dates:
Applied: May 27, 1899
Granted: Dec. 19, 1899

Patent Pictures:
Morgan Williams patent Dec. 19, 1899
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz
Description:
The unique feature is the adjusting frame within the "keyhole" shaped frame at the end of the outer jaw. The structure limits the distance the jaws can open. The gripping teeth run diagonally.

Cited as a reference in patent no. 2,444,135.

Copyright © 2002-2024 - DATAMP