Granted Patent
Utility
US 6,327,064 · App. 09/049,389
Frequency stabilized and crosstalk-free signal sources for optical communication systems
Inventor:
Daniel Zhu
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Mar 27, 1998
Inventor
Daniel Zhu
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.