DH

David D. Helgeson

PI Polaris Industries: 1 patents #41 of 133Top 35%
📍 Vadnais Heights, MN: #19 of 43 inventorsTop 45%
🗺 Minnesota: #2,773 of 7,575 inventorsTop 40%
Overall (2020): #501,322 of 565,922Top 90%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10603997 Electric vehicle Mark P. Bergstrom, Brian T. Hertzberg, Brent D. Raske, Gary V. Owen, Benjamin Johnson +2 more 2020-03-31