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Knut Einar Kopperud — 1 Patent

Oslo, NO: #1,309 of 2,623 inventorsTop 50%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Knut Einar Kopperud has been granted 1 US patent. All of these patents were granted in 2021. Knut Einar Kopperud ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Knut Einar Kopperud in Oslo, NO.

Issued Patents All Time

Showing 1–1 of 1 patents

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

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