Granted Patent
Utility
US 6,533,874 · App. 09/656,595
GaN-based devices using thick (Ga, Al, In)N base layers
Inventors:
Robert P. Vaudo, Joan M. Redwing, Michael A. Tischler, Duncan W. Brown, Jeffrey S. Flynn
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Sep 7, 2000
Inventors
Robert P. Vaudo
Joan M. Redwing
Michael A. Tischler
Duncan W. Brown
Jeffrey S. Flynn
Assignee (at issue)
ADVANCED TECHNOLOGY & MATERIALS CO., LTD.
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.