Granted Patent
Utility
US 5,237,992 · App. 07/846,308
Implantable pacemaker providing hysteresis in dual-chamber modes
Inventor:
John W. Poore
Patented Case
View Patent ↗
Granted: Aug 24, 1993
Filed: Mar 5, 1992
Inventor
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.