Granted Patent
Utility
US 6,493,116 · App. 09/248,521
PMD characterization across multiple optical channels of an optical link
Inventors:
Andrew Robinson, Xiaoping Mao
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Feb 9, 1999
Inventors
Andrew Robinson
Xiaoping Mao
Assignee (at issue)
MCI WorldCom. Inc.
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.