Granted Patent
Utility
US 5,431,681 · App. 08/125,448
Combination pacing and defibrillating lead having sensing capability
Inventor:
John R. Helland
Patented Case
View Patent ↗
Granted: Jul 11, 1995
Filed: Sep 22, 1993
Inventor
John R. Helland
Assignee (at issue)
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.