Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848984 | Method of making reaction bonded/hot pressed Si.sub.3 N.sub.4 for use as a cutting tool | Elaine C. Beckwith | 1989-07-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848984 | Method of making reaction bonded/hot pressed Si.sub.3 N.sub.4 for use as a cutting tool | Elaine C. Beckwith | 1989-07-18 |