Granted Patent
Utility
US 5,909,294 · App. 08/857,347
Full-duplex wavelength division multiplexing system using single-device transceivers
Inventors:
Christopher Doerr, Bernard Glance, Kang-Yih Liou
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: May 16, 1997
Inventors
Christopher Doerr
Bernard Glance
Kang-Yih Liou
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.