Granted Patent
Utility
US 6,836,478 · App. 09/475,673
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Inventors:
Laura Huang, Fen-Chung Kung, Jesse Eugene Russell, Hopeton S. Walker, Spencer Wang
Patented Case
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Granted: Dec 28, 2004
Filed: Dec 30, 1999
Inventors
Laura Huang
Fen-Chung Kung
Jesse Eugene Russell
Hopeton S. Walker
Spencer Wang
Assignee (at issue)
AT&T CORP.
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.