Granted Patent
Utility
US 5,546,210 · App. 08/501,887
Multi-channel optical fiber communication system
Inventors:
Andrew R. Chraplyvy, Fabrizio Forghieri, Robert William Tkach
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Jul 13, 1995
Inventors
Andrew R. Chraplyvy
Fabrizio Forghieri
Robert William Tkach
Assignee (at issue)
AT&T CORP.
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.