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USPTO Patent Rankings Data through Sept 30, 2025
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Roland Wikstrom

Kusmark, SE: #1 of 1 inventorsTop 100%
Overall (All Time): #3,730,685 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5692758 Sealing ring having circular-cylindrical inner surface and flat side surfaces with connecting transition surfaces leading to rounded outer surface 1997-12-02