DH

Daniel W. Hennen

3M: 1 patents #451 of 1,276Top 40%
📍 Cottage Grove, MN: #12 of 44 inventorsTop 30%
🗺 Minnesota: #2,374 of 7,038 inventorsTop 35%
Overall (2021): #484,373 of 548,734Top 90%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11202982 Air filter condition sensing Jonathan B. Arthur, Karl W. Bloedorn, Jayant Chakravarty, Gene B. Portelli, Dennis M. Glass +5 more 2021-12-21