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USPTO Patent Rankings Data through Sept 30, 2025
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Karl E. Benson — 2 Patents in 2016

3M: 2 patents #234 of 1,260Top 20%
Windom, MN: #39 of 228 inventorsTop 20%
Minnesota: #1,262 of 6,786 inventorsTop 20%
Overall (2016): #126,948 of 481,213Top 30%
2 Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9434821 Polydiorganosiloxane polyoxamide copolymers Charles M. Leir, Richard G. Hansen, Mark D. Purgett, Albert I. Everaerts 2016-09-06
9422371 Surface-bound fluorinated esters for amine capture Charles M. Leir, George G. I. Moore, Rahul Shah 2016-08-23