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USPTO Patent Rankings Data through Sept 30, 2025
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Sigurd Hakansson — 1 Patent

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Mellansel, SE: #1 of 1 inventorsTop 100%
Overall (All Time): #4,002,886 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4615121 Device for a chain saw for the slitting of bark layers of a log 1986-10-07