Granted Patent
Utility
US 6,801,721 · App. 09/825,691
Polarization mode dispersion compensator for optical fiber communication systems
Inventor:
Christi Kay Madsen
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Apr 4, 2001
Inventor
Christi Kay Madsen
Assignee (at issue)
LUCENT TECHNOLOGIES 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.