DD

Dean R. Duffy

3M: 2 patents #280 of 1,428Top 20%
📍 Woodbury, MN: #90 of 341 inventorsTop 30%
🗺 Minnesota: #1,470 of 7,373 inventorsTop 20%
Overall (2019): #178,506 of 560,194Top 35%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10238158 Filtering face-piece respirator having darted mask body — 2019-03-26
10182603 Filtering face-piece respirator having strap-activated folded flange — 2019-01-22