Granted Patent
Utility
US 5,687,021 · App. 08/653,777
Method and device for combining optical signals
Inventors:
Michel Sotom, Corinne Chauzat, Dominique De Bouard, Jean-Michel Gabriagues, Dominique Chiaroni
Patented Case
View Patent ↗
Granted: Nov 11, 1997
Filed: May 28, 1996
Inventors
Michel Sotom
Corinne Chauzat
Dominique De Bouard
Jean-Michel Gabriagues
Dominique Chiaroni
Assignee (at issue)
Alcatel N.V.
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.