Granted Patent
Utility
US 6,665,457 · App. 09/949,597
Tunable electro-absorption modulator and tunable laser
Inventor:
Lennart Lundqvist
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Sep 10, 2001
Inventor
Lennart Lundqvist
Assignee (at issue)
Altitun AB
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.