Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9090829 | Apparatus for controlled blowing of asphalt | Alan N. McGrevy, Jack Nelson Dunigan | 2015-07-28 |
| 4715300 | Method of disposing of materials by dissolving in acid and then incinerating | Robert L. Dixon | 1987-12-29 |
| 4631068 | Removal of sulfur from aqueous suspension using filtration | Roy A. Baker, Michael J. Engel | 1986-12-23 |