Granted Patent
Utility
US 6,487,006 · App. 09/570,446
Simultaneous single mode and multi-mode propagation of signals in a double clad optical fiber
Inventor:
Vihong Chen
Patented Case
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Granted: Nov 26, 2002
Filed: May 12, 2000
Inventor
Vihong Chen
Assignee (at issue)
JDS Uniphase 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.