Granted Patent
Utility
US 6,771,908 · App. 09/781,863
Fast protection switching by snooping on downstream signals in an optical network
Inventors:
Peter Van Eijk, Reed K. Even, Piet Van Heyningen, Song Jiang, Kyeong Soo Kim, Woojune Kim, Fengkun Liu, Yong-Kwan Park
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Feb 12, 2001
Inventors
Peter Van Eijk
Reed K. Even
Piet Van Heyningen
Song Jiang
Kyeong Soo Kim
Woojune Kim
Fengkun Liu
Yong-Kwan Park
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.