OW

Orval G. Ward

PP Phillips Petroleum: 1 patents #819 of 1,401Top 60%
Overall (All Time): #3,636,582 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6159886 Clay composition containing a tannin and a method for producing bricks therefrom Marshall D. Bishop, Lowell A. Gray, Earnest W. McNickle 2000-12-12