Granted Patent
Utility
US 6,603,594 · App. 10/007,643
Multi-stage optical amplifier and broadband communication system
Inventor:
Mohammed N. Islam
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Mar 19, 2002
Inventor
Mohammed N. Islam
Assignee (at issue)
Xtera Communications, 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.