PH

Preston W Helms

📍 Columbia, SC: #598 of 1,151 inventorsTop 55%
🗺 South Carolina: #8,412 of 15,501 inventorsTop 55%
Overall (All Time): #3,503,165 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6522972 Method for determining an instantaneous unit hydrograph — 2003-02-18