Granted Patent
Utility
US 6,831,332 · App. 10/156,605
Microwave field effect transistor structure
Inventors:
Pablo E. D'Anna, Joseph H. Johnson
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: May 25, 2002
Inventors
Pablo E. D'Anna
Joseph H. Johnson
Assignee (at issue)
Sirenza Microdevices, 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.