Granted Patent
Utility
US 5,431,682 · App. 08/114,922
Implantable heart defibrillator
Inventor:
Sven-Erik Hedberg
Patented Case
View Patent ↗
Granted: Jul 11, 1995
Filed: Sep 2, 1993
Inventor
Sven-Erik Hedberg
Assignee (at issue)
Pacesetter AB
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.