Granted Patent
Utility
US 5,953,142 · App. 08/941,673
Variable delay apparatus for optical signals
Inventors:
Dominique Chiaroni, Dominique De Bouard, Michel Sotom
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Sep 30, 1997
Inventors
Dominique Chiaroni
Dominique De Bouard
Michel Sotom
Assignee (at issue)
ALCATEL
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.