Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 309,389
Wrench
Patentee:
William P. Heffron (exact or similar names) - Chicago, IL

USPTO Classifications:
81/136

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Frank S. Blanchard
M. J. Clagett
Louis Nolting
Patent Dates:
Applied: Apr. 21, 1884
Granted: Dec. 16, 1884

Patent Pictures:
William P. Heffron patent December 16, 1884
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz
Description:
The sliding jaw's adjustment is held by a pawl and rack.

Copyright © 2002-2024 - DATAMP