Granted Patent
Utility
US 6,740,864 · App. 10/136,570
Method and apparatus for monitoring optical switches and cross-connects
Inventor:
J. Christopher Dries
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Apr 30, 2002
Inventor
J. Christopher Dries
Assignee (at issue)
FINISAR 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.