Granted Patent
Utility
US 6,043,914 · App. 09/106,725
Dense WDM in the 1310 nm band
Inventors:
Joseph C. Cook, Xiaoping Mao
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Jun 29, 1998
Inventors
Joseph C. Cook
Xiaoping Mao
Assignee (at issue)
MCI Communications 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.