Granted Patent
Utility
US 5,666,089 · App. 08/631,522
Monolithic step attenuator having internal frequency compensation
Inventor:
Eric R. Ehlers
Patented Case
View Patent ↗
Granted: Sep 9, 1997
Filed: Apr 12, 1996
Inventor
Eric R. Ehlers
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.