Granted Patent
Utility
US 6,515,558 · App. 09/707,092
Thin-film bulk acoustic resonator with enhanced power handling capacity
Inventor:
Markku Ylilammi
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Nov 6, 2000
Inventor
Markku Ylilammi
Assignee (at issue)
Nokia Mobile Phones Ltd.
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.