Granted Patent
Utility
US 5,318,572 · App. 07/892,463
High efficiency tissue stimulating and signal sensing electrode
Inventors:
John R. Helland, Diane M. Muff
Patented Case
View Patent ↗
Granted: Jun 7, 1994
Filed: Jun 2, 1992
Inventors
John R. Helland
Diane M. Muff
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.