Granted Patent
Utility
US 6,483,229 · App. 09/799,149
Method of providing differential frequency adjusts in a thin film bulk acoustic resonator (FBAR) filter and apparatus embodying the method
Inventors:
John D. Larson, III, Paul Bradley, Richard C. Ruby
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Mar 5, 2001
Inventors
John D. Larson, III
Paul Bradley
Richard C. Ruby
Assignee (at issue)
Agilent Technologies, Inc.
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.