Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Charles V. Rigdon

Salome, AZ: #3 of 4 inventorsTop 75%
Arizona: #18,403 of 32,909 inventorsTop 60%
Overall (All Time): #3,717,879 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5638560 Sleeper bed for over-the-road tractors David A. Prefling 1997-06-17