Granted Patent
Utility
US 5,573,975 · App. 08/417,878
Surface-normal semiconductor optical cavity devices
Inventors:
John E. Cunningham, Keith Wayne Goossen
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Apr 6, 1995
Inventors
John E. Cunningham
Keith Wayne Goossen
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.