Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665279 | Low density silicon nitride-containing beads, aggregates thereof, and method for preparing same | — | 1997-09-09 |
| 5653775 | Microwave sintering of sol-gel derived abrasive grain | Ahmet Celikkaya, Rodger D. Blake | 1997-08-05 |