Granted Patent
Utility
US 6,407,540 · App. 09/289,279
Switched attenuator diode microwave power sensor
Inventor:
Ewan W. Shepherd
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Apr 9, 1999
Inventor
Ewan W. Shepherd
Assignee (at issue)
Agilent Technologies, 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.