Granted Patent
Utility
US 6,496,639 · App. 09/249,055
Method and apparatus for upgrading an optical fiber communication system
Inventor:
George BuAbbud
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Feb 12, 1999
Inventor
George BuAbbud
Assignee (at issue)
Marconi Communications GmbH
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.