Granted Patent
Utility
US 6,353,372 · App. 09/456,716
Dual-mode surface acoustic wave filter with split input/output converters determining impedance
Inventors:
Thomas Baier, Georg Strauss
Patented Case
View Patent ↗
Granted: Mar 5, 2002
Filed: Dec 9, 1999
Inventors
Thomas Baier
Georg Strauss
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.