Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6264826 | Base stock lube oil manufacturing process | Jirong Xiao, James N. Ziemer | 2001-07-24 |
| 5993644 | Base stock lube oil manufacturing process | Jirong Xiao, James N. Ziemer | 1999-11-30 |
PW
Phil Winslow
Overall (All Time): #2,228,941 of 4,157,543Top 55%
2
Patents All Time