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USPTO Patent Rankings Data through Sept 30, 2025
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Lawrence L. Dudrey — 1 Patent

Hartford, KS: #2 of 2 inventorsTop 100%
Kansas: #6,307 of 12,005 inventorsTop 55%
Overall (All Time): #4,084,737 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4253436 Fuel additive system for vehicles 1981-03-03