Granted Patent
Utility
US 5,503,154 · App. 08/322,857
Transducer for intraluminal ultrasound imaging catheter with provision for electrical isolation of transducer from the catheter core
Inventor:
William M. Belef
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: Oct 13, 1994
Inventor
William M. Belef
Assignee (at issue)
Cardiovascular Imaging Systems, 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.