Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 422,526
Wrench
Patentee:
Frederick E. Heinig - Louisville, KY

USPTO Classifications:
81/100, 81/3.44, 81/94, 81/98

Tool Categories:
wrenches : jar wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
P. E. Stevens
S. E. E. Stevens
Harry Clapham
Joe H. Eichler

Patent Dates:
Applied: Aug. 08, 1889
Granted: Mar. 04, 1890

Patent Pictures:
Frederick E. Heinig patent March 4, 1890
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
Jar lid wrench with a "Y" shaped head to form two contact points, and a swinging handle with two cam lobes to form the third contact point. The three contact points may include fine teeth.

Copyright © 2002-2019 - DATAMP