Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 126,425
Improvement in Hand-Clamps
Patentee:
Stephen L. Thompson - Lowell, MA

USPTO Classifications:
269/219

Tool Categories:
work holding : clamps : hand screws

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Geo. M. Munn
John E. Crane

Patent Dates:
Granted: May 07, 1872

Patent Pictures:
Stephen L. Thompson Pat. May 7, 1872
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
The patent is a wooden hand-screw type clamp with a wrench or crank to provide extra force on one screw, and a metal cocollar to protect that screw.

Copyright © 2002-2017 - DATAMP