Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
All Patents in class 175/404
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
111,167Jan. 24, 1871O.O. Witherell, A. BaumanImprovement in hollow augershollow bits
1,807,625Jun. 02, 1931H.J. HjorthValve Wrenchwrenches
Toggle print mode
Show pictures

Copyright © 2002-2024 - DATAMP