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Home › Inventors › Dirk Lee Sumrall
DS

Dirk Lee Sumrall

Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,231,347 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6302138 Pressure regulating tire valve and core — 2001-10-16
6142168 Pressure regulating tire valve and core — 2000-11-07

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