Granted Patent
Utility
US 6,195,166 · App. 09/305,712
Photoreflectance spectral analysis of semiconductor laser structures
Inventors:
Mary L. Gray, Harald F. Hess, Mark S. Hybertsen, Leonard Jan-Peter Ketelsen
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: May 5, 1999
Inventors
Mary L. Gray
Harald F. Hess
Mark S. Hybertsen
Leonard Jan-Peter Ketelsen
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.