PG

Porter W. Gregory

ET Ethyl: 1 patents #298 of 494Top 65%
📍 De Queen, AR: #25 of 57 inventorsTop 45%
🗺 Arkansas: #2,823 of 5,804 inventorsTop 50%
Overall (All Time): #3,889,746 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5064867 Production of foamed polymer structures James R. Barringer, H. Eugene Broemmelsiek, Carroll W. Lanier, Raymond Lee, Harold E. Schulz 1991-11-12