Granted Patent
Utility
US 6,712,804 · App. 09/904,790
Method of closing an opening in a wall of the heart
Inventors:
Chad C. Roue, Andrew Frazier, Michael D. Lesh, Erik van der Burg
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Jul 13, 2001
Inventors
Chad C. Roue
Andrew Frazier
Michael D. Lesh
Erik van der Burg
Assignee (at issue)
ev3 Sunnyvale, 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.