Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888161 | Method of forming dense, unsintered, granular alkaline earth metal carbonates | Charles L. Adams | 1989-12-19 |
| 4888308 | Glass manufacture using dense, unsintered, granular alkaline earth metal carbonates | Charles L. Adams | 1989-12-19 |
| 4806331 | Process of sintering alkaline earth metal carbonates | Charles L. Adams | 1989-02-21 |