Granted Patent
Utility
US 6,314,221 · App. 09/323,136
Filtering optical fiber having a modified photosensitivity profile
Inventors:
Isabelle Riant, Pierre Sansonetti
Patented Case
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Granted: Nov 6, 2001
Filed: Jun 1, 1999
Inventors
Isabelle Riant
Pierre Sansonetti
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.