MM

Mark L. Marienfield

AM Amoco: 1 patents #610 of 1,251Top 50%
PP Phillips Petroleum: 1 patents #819 of 1,401Top 60%
📍 Greer, SC: #345 of 717 inventorsTop 50%
🗺 South Carolina: #5,775 of 15,501 inventorsTop 40%
Overall (All Time): #2,297,621 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5358356 Erosion control mat Gerald A. Romanek, Roger E. Moon, Sukhdev S. Guram 1994-10-25
5249893 Erosion control mat Gerald A. Romanek, Roger E. Moon, Sukhdev S. Guram 1993-10-05