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David W. Johnson — 1 Patent in 2021

Hastings, MN: #3 of 21 inventorsTop 15%
Minnesota: #2,374 of 7,038 inventorsTop 35%
Overall (2021): #483,752 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11085497 Fluid coupling with partially curved impeller vanes — 2021-08-10

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