Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12195135 | Crank variable-speed gear device for increasing rotational power | Dal Won SEO | 2025-01-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12195135 | Crank variable-speed gear device for increasing rotational power | Dal Won SEO | 2025-01-14 |