Granted Patent
Utility
US 5,623,567 · App. 08/632,283
Method for making an evanescent field coupler
Inventors:
Yvonne L. Barberio, Donald W. Dahringer, Jon W. Engelberth, Arthur E. Neeves
Patented Case
View Patent ↗
Granted: Apr 22, 1997
Filed: Apr 15, 1996
Inventors
Yvonne L. Barberio
Donald W. Dahringer
Jon W. Engelberth
Arthur E. Neeves
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
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.