Granted Patent
Utility
US 6,301,030 · App. 09/134,734
Polarization multiplexer, demultiplexer, and method
Inventor:
Kevin Cyrus Robinson
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Aug 14, 1998
Inventor
Kevin Cyrus Robinson
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.