DD

Dean R. Duffy

3M: 2 patents #162 of 1,132Top 15%
📍 Woodbury, MN: #51 of 219 inventorsTop 25%
🗺 Minnesota: #590 of 4,663 inventorsTop 15%
Overall (2004): #67,582 of 270,089Top 30%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6797028 “Push-on” self attach adaptive filter — 2004-09-28
6740136 Interconnected filter frame and filter framing method — 2004-05-25