RV

Robert L. Vandiver

📍 Pocahontas, AR: #13 of 60 inventorsTop 25%
🗺 Arkansas: #1,791 of 5,804 inventorsTop 35%
Overall (All Time): #2,316,098 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5011075 Variable flow valve — 1991-04-30
4909277 Selectively indexed multiple orifice valve — 1990-03-20