Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Douglas A. Pelmear

Napoleon, OH: #1 of 5 inventorsTop 20%
Ohio: #2,703 of 7,937 inventorsTop 35%
Overall (2020): #486,985 of 565,922Top 90%
1 Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10724446 Lubrication system of an internal combustion engine and method of operating same 2020-07-28