Granted Patent
Utility
US 5,699,468 · App. 08/672,929
Bragg grating variable optical attenuator
Inventors:
Mark Farries, Stephen J. Mihailov, Koichi Abe, Gary S. Duck
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Jun 28, 1996
Inventors
Mark Farries
Stephen J. Mihailov
Koichi Abe
Gary S. Duck
Assignee (at issue)
JDS Fitel 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.