Granted Patent
Utility
US 6,501,579 · App. 09/798,626
Apparatus, system, and method for extracting an optical clock signal from an optical data signal
Inventors:
Guifang Li, Weiming Mao
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Mar 1, 2001
Inventors
Guifang Li
Weiming Mao
Assignee (at issue)
Optium, LLC
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.