KH

Kevin Helmer

📍 Stillwater, MN: #488 of 719 inventorsTop 70%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,575,710 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6203321 Backflow prevention system in suctioning apparatus Richard P. Bushman 2001-03-20