Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
AC

Anthony B. Castelli — 1 Patent

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Grubville, MO: #1 of 1 inventorsTop 100%
Missouri: #13,067 of 23,789 inventorsTop 55%
Overall (All Time): #3,822,759 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5206563 Lightbulb life extender 1993-04-27