Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
Patents for John Loper Knowlton
Patents 1 - 1 of 1
First set of recordsLast set of records
NumberDatePatenteeTitleType
49,122Aug. 01, 1865J.L. KnowltonImproved machine for rounding and polishing balls
Toggle print mode
Show pictures

Copyright © 2002-2024 - DATAMP