Granted Patent
Utility
US 6,710,379 · App. 10/359,268
Fully relaxed channel HEMT device
Inventors:
Michael Wojtowicz, Tsung-Pei Chin, Michael E. Barsky, Ronald W. Grundbacher
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Feb 4, 2003
Inventors
Michael Wojtowicz
Tsung-Pei Chin
Michael E. Barsky
Ronald W. Grundbacher
Assignee (at issue)
NORTHROP GRUMMAN CORPORATION
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.