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USPTO Patent Rankings Data through Dec 31, 2025
KK

Knut Einar Kopperud — 1 Patent in 2021

Oslo, NO: #66 of 300 inventorsTop 25%
Overall (2021): #371,403 of 548,734Top 70%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11051622 Back rest to be used with seat or chair 2021-07-06