BH

Barry C. Hargrove

📍 Bethany, OK: #15 of 49 inventorsTop 35%
🗺 Oklahoma: #4,502 of 12,736 inventorsTop 40%
Overall (All Time): #2,322,105 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D306266 Sampling bottle closure James Daniel Madden 1990-02-27
4699356 Sampling valve James Daniel Madden 1987-10-13