Granted Patent
Utility
US 5,188,106 · App. 07/675,639
Method and apparatus for chronically monitoring the hemodynamic state of a patient using doppler ultrasound
Inventors:
Tibor A. Nappholz, Harry L. Valenta, Jr., Steven M. Maas, Ken Koestner
Patented Case
View Patent ↗
Granted: Feb 23, 1993
Filed: Mar 8, 1991
Inventors
Tibor A. Nappholz
Harry L. Valenta, Jr.
Steven M. Maas
Ken Koestner
Assignee (at issue)
Telectronics Pacing 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.