Granted Patent
Utility
US 6,262,822 · App. 09/078,033
Circuit for monitoring optical signals
Inventors:
Jasvinder Obhi, Paul Colbourne
Patented Case
View Patent ↗
Granted: Jul 17, 2001
Filed: May 13, 1998
Inventors
Jasvinder Obhi
Paul Colbourne
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.