Granted Patent
Utility
US 6,607,313 · App. 09/342,154
Micro-optic delay element for use in a polarization multiplexed system
Inventors:
Mark Farries, Yihao Cheng
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Jun 23, 1999
Inventors
Mark Farries
Yihao Cheng
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.