CO

Charles C. Olson

QP Qa1 Precision Products: 2 patents #1 of 3Top 35%
📍 Cannon Falls, MN: #1 of 4 inventorsTop 25%
🗺 Minnesota: #1,164 of 7,038 inventorsTop 20%
Overall (2021): #172,385 of 548,734Top 35%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11105390 Shock absorber with dry valving Andrew J. Hulstein, Marshall J. Fegers 2021-08-31
11085502 Bleed needle for a hydraulic system Andrew J. Hulstein, Marshall J. Fegers 2021-08-10