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USPTO Patent Rankings Data through Sept 30, 2025
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Norvell N. Stepp

Overall (All Time): #3,831,718 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D338707 Sink drain diversion valve 1993-08-24