Granted Patent
Utility
US 6,698,073 · App. 09/790,298
Method of manufacturing a piezoelectric filter with an acoustic resonator situated on an acoustic reflector layer formed by a carrier substrate
Inventors:
Ronald Dekker, Henricus Godefridus Rafael Maas
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Feb 21, 2001
Inventors
Ronald Dekker
Henricus Godefridus Rafael Maas
Assignee (at issue)
KONINKLIJKE PHILIPS ELECTRONICS NV
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.