Granted Patent
Utility
US 5,911,685 · App. 08/832,040
Method and apparatus for cardiac blood flow assistance
Inventors:
Thorsten Siess, Helmut Reul, Gunther Rau, Michael Kast
Patented Case
View Patent ↗
Granted: Jun 15, 1999
Filed: Apr 2, 1997
Inventors
Thorsten Siess
Helmut Reul
Gunther Rau
Michael Kast
Assignee (at issue)
Guidant Corporation
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.