DH

Darion L. Helton

📍 Maryland Heights, MO: #130 of 213 inventorsTop 65%
🗺 Missouri: #13,067 of 23,789 inventorsTop 55%
Overall (All Time): #3,911,504 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4957021 Self-contained, hand-held hydraulic clamp/wrench — 1990-09-18