Granted Patent
Utility
US 5,587,830 · App. 08/069,952
High capacity optical fiber network
Inventors:
Andrew R. Chraplyvy, Robert William Tkach
Patented Case
View Patent ↗
Granted: Dec 24, 1996
Filed: May 28, 1993
Inventors
Andrew R. Chraplyvy
Robert William Tkach
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.