RK

Robert H. Kallenberger

PP Phillips Petroleum: 2 patents #29 of 198Top 15%
📍 Bartlesville, OK: #24 of 142 inventorsTop 20%
🗺 Oklahoma: #42 of 552 inventorsTop 8%
Overall (1982): #8,442 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4313723 Apparatus for producing carbon black John Erling Anderson 1982-02-02
4311672 Method and apparatus for producing carbon black — 1982-01-19