Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
Patents for A. L. Youngs
Patents 1 - 1 of 1
First set of recordsLast set of records
NumberDatePatenteeTitleType
147,536Feb. 17, 1874B.D. WhitneyImprovement in sharpening-machinessharpening machines
Toggle print mode
Show pictures

Copyright © 2002-2024 - DATAMP