Granted Patent
Utility
US 5,014,721 · App. 07/436,356
Bipolar electrode lead for medical applications
Inventor:
Jakub Hirschberg
Patented Case
View Patent ↗
Granted: May 14, 1991
Filed: Nov 14, 1989
Inventor
Jakub Hirschberg
Assignee (at issue)
Siemens Aktiengesellschaft
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.