Granted Patent
Utility
US 5,154,183 · App. 07/590,898
Bipolar myocardial electrode assembly
Inventors:
Paul E. Kreyenhagen, John R. Helland
Patented Case
View Patent ↗
Granted: Oct 13, 1992
Filed: Oct 1, 1990
Inventors
Paul E. Kreyenhagen
John R. Helland
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.