Granted Patent
Utility
US 5,348,912 · App. 08/016,339
Semiconductor surface emitting laser having enhanced optical confinement
Inventors:
Kent D. Choquette, Robert S. Freund, Minghwei Hong
Patented Case
View Patent ↗
Granted: Sep 20, 1994
Filed: Feb 11, 1993
Inventors
Kent D. Choquette
Robert S. Freund
Minghwei Hong
Assignee (at issue)
AT&T Bell Laboratories
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.