JH

John E. Hostettler

PP Phillips Petroleum: 2 patents #574 of 1,401Top 45%
Overall (All Time): #2,270,412 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5631313 Suspending medium for particulate material Marshall D. Bishop 1997-05-20
5091448 Suspending medium for water soluble polymer Marshall D. Bishop 1992-02-25