Granted Patent
Utility
US 6,731,423 · App. 09/930,336
Optical amplifier and method
Inventors:
Jason K. Brasseur, David Kurt Neumann
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Aug 15, 2001
Inventors
Jason K. Brasseur
David Kurt Neumann
Assignee (at issue)
Neumann Information Systems, 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.