DP

Dean S. Pierce

RO Rosemount: 2 patents #2 of 27Top 8%
📍 Windom, MN: #14 of 189 inventorsTop 8%
🗺 Minnesota: #129 of 2,022 inventorsTop 7%
Overall (1989): #29,102 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4833922 Modular transmitter Roger L. Frick, David A. Broden 1989-05-30
4798089 Isolator apparatus Roger L. Frick 1989-01-17