Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 295,204
Pipe Wrench
Patentees:
Frank A. Schramm - Philadelphia, PA
Ambrosius Modery - Philadelphia, PA

USPTO Classifications:
81/99

Tool Categories:
wrenches : wrench adjustment types : self-adjust wrenches
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. P. Grant
W. F. Kircher
John A. Wiedersheim

Patent Dates:
Applied: Dec. 07, 1883
Granted: Mar. 18, 1884

Patent Pictures:
Frank A. Schramm and Ambrosius Modery patent March 18, 1884
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
The hook jaw of this self-adjusting pipe wrench is held in engagement by coiled springs.

Copyright © 2002-2020 - DATAMP