Granted Patent
Utility
US 4,160,308 · App. 05/900,685
Optically coupled isolator device and method of making same
Inventors:
Thomas P. Courtney, Vijay K. Lumba
Patented Case
View Patent ↗
Granted: Jul 10, 1979
Filed: Apr 27, 1978
Inventors
Thomas P. Courtney
Vijay K. Lumba
Assignee (at issue)
Fairchild Camera & Instrument Corp.
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.