DS

Dean E. Sitz

3M: 2 patents #280 of 1,428Top 20%
📍 Hankinson, ND: #1 of 5 inventorsTop 20%
🗺 North Dakota: #34 of 233 inventorsTop 15%
Overall (2019): #178,163 of 560,194Top 35%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10398406 One piece stethoscope diaphragm Joseph P. Keller, Mary Jo Johnson 2019-09-03
10213181 Stethoscope diaphragm Joseph P. Keller, Mary Jo Johnson 2019-02-26