Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
Patents for George H. Porter
Patents 1 - 1 of 1
First set of recordsLast set of records
NumberDatePatenteeTitleType
88,585Apr. 06, 1869G.H. PorterImproved Process of hardening Steel
Toggle print mode
Show pictures

Copyright © 2002-2024 - DATAMP