Granted Patent
Utility
US 4,856,523 · App. 07/107,063
Rate-responsive pacemaker with automatic mode switching and/or variable hysteresis rate
Inventors:
Jason A. Sholder, Brian M. Mann, Joseph J. Florio
Patented Case
View Patent ↗
Granted: Aug 15, 1989
Filed: Oct 8, 1987
Inventors
Jason A. Sholder
Brian M. Mann
Joseph J. Florio
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.