Granted Patent
Utility
US 5,873,154 · App. 08/733,177
Method for fabricating a resonator having an acoustic mirror
Inventors:
Markku Ylilammi, Meeri Talvilelei Partanen
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Oct 17, 1996
Inventors
Markku Ylilammi
Meeri Talvilelei Partanen
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.