Granted Patent
Utility
US 6,775,477 · App. 10/440,961
Optical communication network and protection methods
Inventor:
Nabil M. Badr
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: May 19, 2003
Inventor
Nabil M. Badr
Assignee (at issue)
Corvis Corporation
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.