DD

Dean R. Duffy

3M: 2 patents #177 of 1,133Top 20%
📍 Woodbury, MN: #38 of 212 inventorsTop 20%
🗺 Minnesota: #587 of 4,549 inventorsTop 15%
Overall (2002): #68,199 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6419729 Filter assemblies with adhesive attachment systems William M. Stevenson, John F. Reed, David Andrews 2002-07-16
6406509 Extruded profile filter framing 2002-06-18