Granted Patent
Utility
US 5,680,490 · App. 08/525,938
Comb splitting system and method for a multichannel optical fiber communication network
Inventors:
Leonard G. Cohen, Yuan Li
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Sep 8, 1995
Inventors
Leonard G. Cohen
Yuan Li
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.