Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4310438 | Polyethyleneamines as sulfite antioxidants | Joe C. Steelhammer, Ian D. Morrison | 1982-01-12 |
| 4191655 | Dewatering composition | John E. Quinn, Charles E. Donegan | 1980-03-04 |