Granted Patent
Utility
US 6,801,684 · App. 10/401,537
Optical switch fabric for individually switching optical paths for optical signals between input and output ports
Inventor:
Kurt Losch
Patented Case
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Granted: Oct 5, 2004
Filed: Mar 31, 2003
Inventor
Kurt Losch
Assignee (at issue)
ALCATEL
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.