Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Don R. Drawbaugh — 1 Patent

Wetumka, OK: #2 of 2 inventorsTop 100%
Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #3,853,221 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5123557 Gas stopper and methods of constructing and utilizing same 1992-06-23