Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 293,957
Pawl and ratchet
Patentee:
Robert Ellrich - Plantsville, CT

USPTO Classifications:
192/43.1, 40/519, 74/577R, 81/62

Tool Categories:
woodworking tools : braces
screwdrivers

Assignees:
None

Manufacturer:
Howe Manufacturing Co. - Plantsville, CT
Ellrich Hardware Manufacturing Co. - Plantsville, CT

Witnesses:
George Terry
W C Warren

Patent Dates:
Granted: Feb. 19, 1884

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
Ellrich Hardware Manufacturing Co. made a straight ratchet screwdriver that used this patent.

Copyright © 2002-2018 - DATAMP