Granted Patent
Utility
US 5,533,155 · App. 08/366,939
Evanescent field coupler
Inventors:
Yvonne L. Barberio, Jon W. Engelberth, Arthur E. Neeves
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Dec 30, 1994
Inventors
Yvonne L. Barberio
Jon W. Engelberth
Arthur E. Neeves
Assignee (at issue)
AT&T 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.