Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
Patents for Aloysia Helmich
Patents 1 - 1 of 1
First set of recordsLast set of records
NumberDatePatenteeTitleType
489,224Jan. 03, 1893W.W. DoolittleTapping-machinetapping machines
Toggle print mode
Show pictures

Copyright © 2002-2024 - DATAMP