Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
Patents for Harford J. Perkins
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
105,244Jul. 12, 1870H.J. PerkinsImprovement in machine for sharpening the teeth of sawssaw sharpening machines
232,754Sep. 28, 1880W.J. PerkinsGang-edgercircular ripsaws
Toggle print mode
Show pictures

Copyright © 2002-2024 - DATAMP