Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5427999 | Amine adducts as corrosion inhibitors | Paul J. Clewlow, John A. Haslegrave, Daniel S. Sullivan, III, Brent Bourland | 1995-06-27 |
| 5322630 | Amine derivatives as corrosion inhibitors | Dennis A. Williams, James R. Looney, Daniel S. Sullivan, III, Brent Bourland, John A. Haslegrave +2 more | 1994-06-21 |
| 5300235 | Corrosion inhibitors | Paul J. Clewlow, John A. Haselgrave, Terence M. O'Brien | 1994-04-05 |