HM

Harold W. Mark

PP Phillips Petroleum: 1 patents #59 of 166Top 40%
📍 Bartlesville, OK: #43 of 112 inventorsTop 40%
🗺 Oklahoma: #177 of 727 inventorsTop 25%
Overall (1994): #128,724 of 165,921Top 80%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5358630 Regenerating zeolitic cracking catalyst Brent J. Bertus, John S. Roberts, Arnold M. Schaffer 1994-10-25