Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
All Patents in class 307/13
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
390,413Oct. 02, 1888N. TeslaSystem of Electrical Distribution
404,567Jun. 04, 1889O.B. ShallenbergerSystem of generators for alternating electric currentselectric distribution systems
1,072,422Sep. 09, 1913J. BurkeElectric controlling apparatusmotor controls
3,448,294Jun. 03, 1969R. Zechlin, R.M. HenryMultiphase Power Switching Circuitelectronic circuitry and apparatus
Toggle print mode
Show pictures

Copyright © 2002-2024 - DATAMP