Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10478741 | Chain block toy facilitating connection and preventing abrasion by being elastically operated via left and right rolling | — | 2019-11-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10478741 | Chain block toy facilitating connection and preventing abrasion by being elastically operated via left and right rolling | — | 2019-11-19 |