Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12308213 | Core insertion type spiral tube and making method for the same | Hyun-Seok Choi, Sang Hyo Han | 2025-05-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12308213 | Core insertion type spiral tube and making method for the same | Hyun-Seok Choi, Sang Hyo Han | 2025-05-20 |