Granted Patent
Utility
US 5,778,119 · App. 08/727,011
In-line grating device for forward coupling light
Inventor:
Mark Farries
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Oct 8, 1996
Inventor
Mark Farries
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.