Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332491 | Iron sulfide dispersing agents | Sherri L. Fisher | 1994-07-26 |
| 5143594 | Refinery anti-foulant - asphaltene dispersant | William K. Stephenson, David G. Comer | 1992-09-01 |
| 5100531 | Refinery anti-foulant - asphaltene dispersant | William K. Stephenson, David G. Comer | 1992-03-31 |