Granted Patent
Utility
US 4,864,369 · App. 07/214,997
P-side up double heterojunction AlGaAs light-emitting diode
Inventors:
Wayne L. Snyder, Dennis C. DeFevere, Frank M. Steranka, Chin-Wang Tu
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Jul 5, 1988
Inventors
Wayne L. Snyder
Dennis C. DeFevere
Frank M. Steranka
Chin-Wang Tu
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.