Granted Patent
Utility
US 4,947,852 · App. 07/254,317
Apparatus and method for continuously measuring volumetric blood flow using multiple transducer and catheter for use therewith
Inventors:
Menahem Nassi, Paul Douglas Corl, Ronald G. Williams, Mark W. Cowan, Jerome Segal
Patented Case
View Patent ↗
Granted: Aug 14, 1990
Filed: Oct 5, 1988
Inventors
Menahem Nassi
Paul Douglas Corl
Ronald G. Williams
Mark W. Cowan
Jerome Segal
Assignee (at issue)
Cardiometrics, 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.