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Derryl R. Ballard

📍 Anna, TX: #52 of 85 inventorsTop 65%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,993,242 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4580380 Composite filled interior structural box beams — 1986-04-08