Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Francois Stefanus De Klerk — 1 Patent

Villiers, ZA: #1 of 3 inventorsTop 35%
Overall (All Time): #3,148,477 of 4,157,543Top 80%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D676317 Removable hygienic seal for a beverage container 2013-02-19