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USPTO Patent Rankings Data through Sept 30, 2025
RD

Roger W. Dohrmann

Sartell, MN: #2 of 7 inventorsTop 30%
Minnesota: #1,346 of 4,549 inventorsTop 30%
Overall (2002): #129,519 of 266,432Top 50%
1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6443369 Forage preservative applicator system Dan R. Dohrmann 2002-09-03