Granted Patent
Utility
US 6,572,533 · App. 09/641,141
Cardiac disease treatment and device
Inventors:
J. Edward Shapland, Clif Alferness, Donald F. Palme, II, Michael J. Girard, Donald Rohrbaugh
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Aug 17, 2000
Inventors
J. Edward Shapland
Clif Alferness
Donald F. Palme, II
Michael J. Girard
Donald Rohrbaugh
Assignee (at issue)
Acorn Cardiovascular, 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.