Granted Patent
Utility
US 6,650,923 · App. 09/549,218
Method for accessing the left atrium of the heart by locating the fossa ovalis
Inventors:
Michael D. Lesh, Alex K. Khairkahan, Erik van der Burg
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Apr 13, 2000
Inventors
Michael D. Lesh
Alex K. Khairkahan
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.