DK

David Kolstad

PM Porous Media: 1 patents #2 of 8Top 25%
📍 Mahtomedi, MN: #10 of 34 inventorsTop 30%
🗺 Minnesota: #1,346 of 4,549 inventorsTop 30%
Overall (2002): #234,410 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6478953 Oil filter and dehydrator Michael R. Spearman, John H. Burban, Craig J. Cuta, Mathews Thundyil, Majid Zia 2002-11-12