Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674924 | Flameproof thermoplastic resin compositions | Kyu Cheol Lee, Sam-Joo Yang | 1997-10-07 |
| 5643981 | Flameproof thermoplastic resin compositions | Sam-Joo Yang | 1997-07-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674924 | Flameproof thermoplastic resin compositions | Kyu Cheol Lee, Sam-Joo Yang | 1997-10-07 |
| 5643981 | Flameproof thermoplastic resin compositions | Sam-Joo Yang | 1997-07-01 |