Granted Patent
Utility
US 5,812,306 · App. 08/663,624
Bidirectional WDM optical communication systems with bidirectional optical amplifiers
Inventor:
Victor Mizrahi
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Jun 14, 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.