Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666636 | Process for preparing sintered titanium nitride cermets | Sung Tae Park | 1997-09-09 |
| 5603781 | Method for inhibiting the oxidation of hard metal powder | Sona Kim | 1997-02-18 |