Granted Patent
Utility
US 5,212,701 · App. 07/857,350
Semiconductor surface emitting laser having enhanced optical confinement
Inventors:
Kent D. Choquette, Robert S. Freund, Minghwei Hong
Patented Case
View Patent ↗
Granted: May 18, 1993
Filed: Mar 25, 1992
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.