Granted Patent
Utility
US 6,594,050 · App. 09/753,979
Optical communication switch node
Inventors:
Tomasz Jannson, Guoda Xu, Freddie Lin
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Jan 3, 2001
Inventors
Tomasz Jannson
Guoda Xu
Freddie Lin
Assignee (at issue)
PHYSICAL OPTICS 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.