Granted Patent
Utility
US 6,409,669 · App. 09/256,848
Ultrasound transducer assembly incorporating acoustic mirror
Inventors:
Richard A. Hager, David W. Clark
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Feb 24, 1999
Inventors
Richard A. Hager
David W. Clark
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.