RD

Ron A. Doll

📍 Detroit Lakes, MN: #5 of 10 inventorsTop 50%
🗺 Minnesota: #1,731 of 5,562 inventorsTop 35%
Overall (2025): #238,865 of 469,880Top 55%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12349686 Frozen block separation system Brett A. Friesen, Jacob Baer, Stephen Anderson, Dan M. Evenson, Malachi V. Kaiser 2025-07-08