DH

David W. Hegdahl

3M: 1 patents #357 of 1,132Top 35%
📍 Lino Lakes, MN: #17 of 39 inventorsTop 45%
🗺 Minnesota: #1,405 of 4,663 inventorsTop 35%
Overall (2004): #239,563 of 270,089Top 90%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6686026 Micro-channeled protective film Brian E. Spiewak 2004-02-03