Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 298,043
Wrench
Patentee:
Nathaniel W. Vandegrift - Bridgeport, CT

USPTO Classifications:
81/126, 81/166, 81/175, 81/99

Tool Categories:
wrenches : pipe wrenches

Assignees:
Frank Armstrong - Bridgeport, CT

Manufacturer:
Armstrong Mfg. Co. - Bridgeport, CT

Witnesses:
J. Charles Gormley
Alfred B. Beers

Patent Dates:
Applied: Nov. 05, 1883
Granted: May 06, 1884

Patent Pictures: [ 1 | 2 ]
Nathaniel V. Vandegrift Pat. May 6, 1884
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
This patent was used by the Armstrong Mfg. Co. of Bridgeport, CT for their screw-adjust pipe wrench. The wrench also draws upon Armstrong & Vandegrift's patent No. 392,300 granted November 6, 1888.

Copyright © 2002-2017 - DATAMP