Granted Patent
Utility
US 6,741,145 · App. 09/989,020
Filter structure and arrangement comprising piezoelectric resonators
Inventors:
Pasi Tikka, Juha Ellä
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Nov 20, 2001
Inventors
Pasi Tikka
Juha Ellä
Assignee (at issue)
Nokia
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.