Granted Patent
Utility
US 6,761,692 · App. 10/180,990
High frequency and multi frequency band ultrasound transducers based on ceramic films
Inventors:
Bjorn Angelsen, Tonni F. Johansen, Jarle Østgård
Patented Case
View Patent ↗
Granted: Jul 13, 2004
Filed: Jun 24, 2002
Inventors
Bjorn Angelsen
Tonni F. Johansen
Jarle Østgård
Assignee (at issue)
Eagle Ultrasound AS
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.