Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5108967 | Process for producing nonequiaxed silicon aluminum oxynitride | Frankie E. Phelps, Robert W. Woods | 1992-04-28 |
| 4977113 | Process for producing silicon aluminum oxynitride by carbothermic reaction | Frankie E. Phelps | 1990-12-11 |