Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9851051 | X-beam structure and pressure tank having X-beam structure | Dae Jun Chang | 2017-12-26 |
| 9829245 | Natural gas liquefaction system | Daejun Chang | 2017-11-28 |
| 9541070 | Plant for energy production | — | 2017-01-10 |