Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5636747 | Combination magnetic separation, classification and attrition process for renewing and recovering particulates | William P. Hettinger, Jr., Terry L. Goolsby, A. V. Peppard | 1997-06-10 |
| 5601697 | Demetallation-High carbon conversion process, apparatus and asphalt products | Charles Benjamin Miller, David P. Wesley, Robert H. Wombles, Carlton H. Jewitt, Roger E. Hayner +2 more | 1997-02-11 |