Granted Patent
Utility
US 4,450,461 · App. 06/286,628
Low cost high isolation voltage optocoupler with improved light transmissivity
Inventors:
James S. Cook, J. Anthony Lennon
Patented Case
View Patent ↗
Granted: May 22, 1984
Filed: Jul 24, 1981
Inventors
James S. Cook
J. Anthony Lennon
Assignee (at issue)
General Electric Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.