Granted Patent
Utility
US 5,742,416 · App. 08/623,356
Bidirectional WDM optical communication systems with bidirectional optical amplifiers
Inventor:
Victor Mizrahi
Patented Case
View Patent ↗
Granted: Apr 21, 1998
Filed: Mar 28, 1996
Inventor
Victor Mizrahi
Assignee (at issue)
Ciena Corporation
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.