Granted Patent
Utility
US 6,574,396 · App. 09/805,609
Waveguide grating arrangement using a segmented reflector
Inventor:
Corrado Dragone
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Mar 12, 2001
Inventor
Corrado Dragone
Assignee (at issue)
LUCENT TECHNOLOGIES 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.