Edward L. Czenkusch

PP Phillips Petroleum: 2 patents #574 of 1,401Top 45%

📍 Bartlesville, OK: #603 of 1,143 inventorsTop 55%

🗺 Oklahoma: #4,502 of 12,736 inventorsTop 40%

Overall (All Time): #2,320,775 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4891132	Oil shale wet oxidation process	—	1990-01-02
4290777	Regeneration of ferric ions in coal desulfurization process	—	1981-09-22