Granted Patent
Utility
US 5,709,215 · App. 08/524,391
R-wave detection method for implantable cardioverter defibrillators
Inventors:
Joseph S. Perttu, Dennis A. Brumwell, James E. Brewer, Theodore P. Adams
Patented Case
View Patent ↗
Granted: Jan 20, 1998
Filed: Sep 6, 1995
Inventors
Joseph S. Perttu
Dennis A. Brumwell
James E. Brewer
Theodore P. Adams
Assignee (at issue)
Angeion Corp.
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.