Granted Patent
Utility
US 6,695,785 · App. 09/934,439
Catheter including ultrasound transducer with emissions attenuation
Inventors:
Axel F. Brisken, N. Parker Willis
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Aug 21, 2001
Inventors
Axel F. Brisken
N. Parker Willis
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.