Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Charles D. Madison — 2 Patents

Laneville, TX: #1 of 1 inventorsTop 100%
Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,244,644 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6161272 Liquid storage tank apparatus and method of forming same 2000-12-19
6161719 Liquid storage tank apparatus and method of forming same 2000-12-19