JH

Jeff Helgerson

EV Ev3: 2 patents #12 of 36Top 35%
Overall (All Time): #2,146,846 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7377936 Retrievable septal defect closure device John P. Gainor, Richard S. Kusleika, Dennis L. Olson, II 2008-05-27
6911037 Retrievable septal defect closure device John P. Gainor, Richard S. Kusleika, Dennis L. Olson, II 2005-06-28