JH

Jeff Helgerson

EV Ev3: 2 patents #12 of 36Top 35%
📍 Minneapolis, MN: #2,566 of 6,114 inventorsTop 45%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,146,846 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

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