Granted Patent
Utility
US 6,437,892 · App. 09/150,034
System for reducing the influence of polarization mode dispersion in high-speed fiber optic transmission channels
Inventors:
Xiaojun Fang, Li-Ping Chen, Chao Shi
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Sep 9, 1998
Inventors
Xiaojun Fang
Li-Ping Chen
Chao Shi
Assignee (at issue)
SPRINT COMMUNICATIONS COMPANY, L.P.
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.