DB

Dennis S. Banasiak

PP Phillips Petroleum: 1 patents #54 of 170Top 35%
📍 Urbandale, IA: #1 of 2 inventorsTop 50%
🗺 Iowa: #89 of 549 inventorsTop 20%
Overall (1989): #121,160 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4818442 Disproportionation process John W. Vanderveen 1989-04-04