Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 44,703
Improved Pipe-Wrench
Patentee:
James R. Brown - Boston, MA

USPTO Classifications:
81/99

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
R. H. Eddy
F. P. Hale, Jr.

Patent Dates:
Granted: Oct. 18, 1864

Patent Pictures:
James R. Brown Pat. Oct. 18, 1864
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
The description of this hook-jaw self-adjusting pipe wrench differentiates this design from H.M. Clark's Sept. 8, 1857 hook-jaw pipe wrench patent (no. 18135). This patent has a split jaw on the shank portion.

Copyright © 2002-2017 - DATAMP