Granted Patent
Utility
US 6,594,045 · App. 10/013,676
Flexible optical network architecture and optical add/drop multiplexer/demultiplexer therefor
Inventor:
Wen Liu
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Dec 13, 2001
Inventor
Wen Liu
Assignee (at issue)
Tropic Networks 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.