MR

Mark R. Rycheck

PP Phillips Petroleum: 1 patents #819 of 1,401Top 60%
Overall (All Time): #4,106,232 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4188501 Purification of monoolefin-containing hydrocarbon stream Filippo Pennella 1980-02-12