Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10328593 | Internal splitting method of cross-section of end of metal plate or metal rod, manufacturing method of metal container and metal pipe by the internal splitting method and joining method of metal components | — | 2019-06-25 |
| 10293507 | Method for manufacturing figure-T shaped metal part and figure-T shaped metal part | — | 2019-05-21 |