Granted Patent
Utility
US 4,869,263 · App. 07/152,098
Device and method for measuring volumetric blood flow in a vessel
Inventors:
Jerome Segal, Paul Douglas Corl, Wayne C. Haase
Patented Case
View Patent ↗
Granted: Sep 26, 1989
Filed: Feb 4, 1988
Inventors
Jerome Segal
Paul Douglas Corl
Wayne C. Haase
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.