Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4498993 | Process for the treatment of clay slimes | Robert L. Smith, Francis Y. Huang | 1985-02-12 |
| 4478736 | Composition and process for the treatment of clay slimes | Robert L. Smith, Francis Y. Huang | 1984-10-23 |