Granted Patent
Utility
US 4,940,052 · App. 07/301,934
Microprocessor controlled rate-responsive pacemaker having automatic rate response threshold adjustment
Inventors:
Brian M. Mann, John W. Poore
Patented Case
View Patent ↗
Granted: Jul 10, 1990
Filed: Jan 25, 1989
Inventors
Brian M. Mann
John W. Poore
Assignee (at issue)
Siemens Pacesetter, 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.