Granted Patent
Utility
US 5,293,392 · App. 07/922,719
Top emitting VCSEL with etch stop layer
Inventors:
Chan-Long Shieh, Donald E. Ackley
Patented Case
View Patent ↗
Granted: Mar 8, 1994
Filed: Jul 31, 1992
Inventors
Chan-Long Shieh
Donald E. Ackley
Assignee (at issue)
Motorola, 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.