Granted Patent
Utility
US 5,228,438 · App. 07/772,822
Implantable pacemaker including means and method of terminating a pacemaker-mediated tachycardia during rate adaptive pacing
Inventor:
Stuart W. Buchanan
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: Oct 8, 1991
Inventor
Stuart W. Buchanan
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.