FZ

Frederick J. Zoepfl

PP Phillips Petroleum: 1 patents #819 of 1,401Top 60%
📍 Annandale, VA: #170 of 315 inventorsTop 55%
🗺 Virginia: #18,729 of 34,511 inventorsTop 55%
Overall (All Time): #3,995,136 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4586995 Polymer and irradiation treatment method James C. Randall 1986-05-06