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John W. Sivertsen

UN Unknown: 1 patents #112 of 1,079Top 15%
📍 Minneapolis, MN: #22 of 128 inventorsTop 20%
🗺 Minnesota: #156 of 1,035 inventorsTop 20%
Overall (1982): #51,359 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4351128 Fish line bobber/sinker — 1982-09-28