RP

Richard M. Pihl

3M: 1 patents #392 of 1,133Top 35%
📍 Cottage Grove, MN: #12 of 42 inventorsTop 30%
🗺 Minnesota: #1,346 of 4,549 inventorsTop 30%
Overall (2002): #131,746 of 266,432Top 50%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6352471 Abrasive brush with filaments having plastic abrasive particles therein Donna W. Bange, David E. Johnson, Mara E. Liepa 2002-03-05