RE

Robert C. Ezzell

PP Phillips Petroleum: 1 patents #819 of 1,401Top 60%
📍 Yarm, GB: #20 of 36 inventorsTop 60%
Overall (All Time): #3,992,508 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4577677 Method for cleaning heat exchangers — 1986-03-25