Granted Patent
Utility
US 6,337,933 · App. 09/288,007
Narrow bandwidth fiber bragg grating apparatus
Inventor:
Tomas Brenner
Patented Case
View Patent ↗
Granted: Jan 8, 2002
Filed: Apr 8, 1999
Inventor
Tomas Brenner
Assignee (at issue)
Ciena 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.