Granted Patent
Utility
US 5,201,808 · App. 07/833,435
Minute volume rate-responsive pacemaker employing impedance sensing on a unipolar lead
Inventors:
Bruce M. Steinhaus, Tibor A. Nappholz, James A. Nolan, Robert Allan Morris
Patented Case
View Patent ↗
Granted: Apr 13, 1993
Filed: Feb 10, 1992
Inventors
Bruce M. Steinhaus
Tibor A. Nappholz
James A. Nolan
Robert Allan Morris
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.