Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4252860 | Method of increasing impact strength of silicon nitride | John J. Brennan, Francis S. Galasso | 1981-02-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4252860 | Method of increasing impact strength of silicon nitride | John J. Brennan, Francis S. Galasso | 1981-02-24 |