Joseph W. Clark

PP Phillips Petroleum: 1 patents #819 of 1,401Top 60%

📍 Bartlesville, OK: #786 of 1,143 inventorsTop 70%

🗺 Oklahoma: #6,781 of 12,736 inventorsTop 55%

Overall (All Time): #4,105,312 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4186061	Fractionation of methyl-mercaptan reactor effluent	Dale A. Zellers	1980-01-29