Granted Patent
Utility
US 6,747,530 · App. 10/030,856
Surface acoustic wave (saw) filter of the reactance filter type exhibiting improved stop band suppression and method for optimizing the stop band suppression
Inventor:
Peter Selmeier
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Jan 10, 2002
Inventor
Peter Selmeier
Assignee (at issue)
EPCOS AG
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.