Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871496 | Composites comprising silicon carbide fibers dispersed in magnesia-aluminate matrix and fabrication thereof and of other composites by sinter forging | Edgar R. Seydel, Rishi Raj | 1989-10-03 |
| 4849142 | Superplastic forging of zirconia ceramics | Edgar R. Seydel, Rishi Raj | 1989-07-18 |