Granted Patent
Utility
US 6,490,474 · App. 08/905,090
System and method for electrode localization using ultrasound
Inventors:
N. Parker Willis, Axel F. Brisken, Jinglin Zeng, Marsha Hurd
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Aug 1, 1997
Inventors
N. Parker Willis
Axel F. Brisken
Jinglin Zeng
Marsha Hurd
Assignee (at issue)
Cardiac Pathways Corporation
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.