TC

Theodore M. Classen

PP Phillips Petroleum: 2 patents #574 of 1,401Top 45%
Overall (All Time): #1,662,029 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5133941 Apparatus for hydrogenating hydrocarbons George E. Hays 1992-07-28
4995961 Process and apparatus for hydrogenating hydrocarbons George E. Hays 1991-02-26
4521293 Oil recovery James Scinta 1985-06-04