Granted Patent
Utility
US 6,195,482 · App. 09/221,717
Waveguide grating router
Inventor:
Corrado Dragone
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Dec 29, 1998
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.