Granted Patent
Utility
US 5,330,522 · App. 07/997,804
Ring electrode for a multilumen lead and method of constructing a multilumen lead
Inventor:
Paul E. Kreyenhagen
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Dec 29, 1992
Inventor
Paul E. Kreyenhagen
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.