Granted Patent
Utility
US 6,819,481 · App. 09/873,696
Bidirectional wave division multiplex systems
Inventors:
Jean-Marc Pierre Delavaux, Stojan Radic
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Jun 4, 2001
Inventors
Jean-Marc Pierre Delavaux
Stojan Radic
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.