Granted Patent
Utility
US 6,552,844 · App. 09/871,912
Passively output flattened optical amplifier
Inventor:
Jin Hong Lim
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Jun 1, 2001
Inventor
Jin Hong Lim
Assignee (at issue)
Agere Systems Guardian 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.