Granted Patent
Utility
US 6,556,604 · App. 09/708,223
Flat minibands with spatially symmetric wavefunctions in intersubband superlattice light emitters
Inventors:
Federico Capasso, Alfred Yi Cho, Sung-Nee George Chu, Claire F. Gmachl, Albert Lee Hutchinson, Arthur Mike Sergent, Deborah Lee Sivco, Alessandro Tredicucci, Michael C. Wanke
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Nov 8, 2000
Inventors
Federico Capasso
Alfred Yi Cho
Sung-Nee George Chu
Claire F. Gmachl
Albert Lee Hutchinson
Arthur Mike Sergent
Deborah Lee Sivco
Alessandro Tredicucci
Michael C. Wanke
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.