RM

Ronald P. Martin

PP Phillips Petroleum: 1 patents #819 of 1,401Top 60%
📍 Toledo, OH: #791 of 1,470 inventorsTop 55%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #4,074,339 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4344900 Fractionator tray valve Ray L. Sonnedecker 1982-08-17