Granted Patent
Utility
US 6,137,817 · App. 09/096,701
Quantum cascade laser
Inventors:
James N. Baillargeon, Federico Capasso, Alfred Yi Cho, Claire F. Gmachl, Albert Lee Hutchinson, Deborah Lee Sivco, Alessandro Tredicucci
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Jun 12, 1998
Inventors
James N. Baillargeon
Federico Capasso
Alfred Yi Cho
Claire F. Gmachl
Albert Lee Hutchinson
Deborah Lee Sivco
Alessandro Tredicucci
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.