Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Harold D. Schertler — 1 Patent

Grand Isle, LA: #1 of 3 inventorsTop 35%
Louisiana: #5,044 of 10,876 inventorsTop 50%
Overall (All Time): #3,924,027 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4816146 Water and oil mixture separator 1989-03-28