Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9808104 | One-piece construction chopsticks | — | 2017-11-07 |
| 9663384 | Method for producing high-purity trimanganese tetraoxide and high-purity trimanganese tetraoxide produced by the method | Myong Jun Kim | 2017-05-30 |