Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
All Patents in class 338/190
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
372,012Oct. 25, 1887I.W. ColburnElectrical resistance-boardelectrical devices
1,437,629Dec. 05, 1922H.L. ZabriskieRheostat
1,552,373Sep. 01, 1925B.F. WinterhoffElectric gauge for gasoline tanksmotor vehicles
Toggle print mode
Show pictures

Copyright © 2002-2024 - DATAMP