Granted Patent
Utility
US 6,519,059 · App. 09/408,932
Wavelength division add/drop multiplexer
Inventors:
Christopher Doerr, Randy Clinton Giles
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Sep 30, 1999
Inventors
Christopher Doerr
Randy Clinton Giles
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.