DF

Dale R. Fillenwarth

PU Philip Morris Usa: 1 patents #332 of 607Top 55%
📍 Ashland, VA: #25 of 47 inventorsTop 55%
🗺 Virginia: #18,729 of 34,511 inventorsTop 55%
Overall (All Time): #4,062,210 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4420635 Ammonium carbamate production James M. Washington, Francis V. Utsch 1983-12-13