Granted Patent
Utility
US 6,778,736 · App. 10/098,050
Dynamic variable optical attenuator and variable optical tap
Inventors:
Terry Markwardt, Leif Fredin, Ray T. Chen, Ram Sivaraman
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Mar 14, 2002
Inventors
Terry Markwardt
Leif Fredin
Ray T. Chen
Ram Sivaraman
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.