Granted Patent
Utility
US 5,904,705 · App. 08/835,556
Automatic battery-maintaining implantable cardioverter defibrillator and method for use
Inventors:
Mark W. Kroll, Joseph S. Perttu
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: Apr 8, 1997
Inventors
Mark W. Kroll
Joseph S. Perttu
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.