Granted Patent
Utility
US 5,982,531 · App. 08/945,589
Semiconductor optical amplifier
Inventors:
Jean-Yves Emery, Leon Goldstein, Pierre Doussiere, Jean Barrau
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Oct 29, 1997
Inventors
Jean-Yves Emery
Leon Goldstein
Pierre Doussiere
Jean Barrau
Assignee (at issue)
ALCATEL OPTRONICS
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.