Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
Patents for I. Dreyfus
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
64,956May 21, 1867I. DreyfusImprovement in automatic lubricatorslubricators
D3,434Mar. 30, 1869I. DreyfusDesign for an oil-cup for journal-boxesmachine lubricators
106,261Aug. 09, 1870I. DreyfusImprovement in lubricatorslubricators
109,118Nov. 08, 1870I. DreyfusImprovement in lubricatorssteam engine lubricators
Toggle print mode
Show pictures

Copyright © 2002-2019 - DATAMP