Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840242 | Convertible animal toy | Chi Y. Hwang | 1989-06-20 |
| 4838825 | Toy kiddieland | Chi Y. Hwang | 1989-06-13 |
| 4811682 | Mini inflatable yacht | Chi Y. Hwang | 1989-03-14 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840242 | Convertible animal toy | Chi Y. Hwang | 1989-06-20 |
| 4838825 | Toy kiddieland | Chi Y. Hwang | 1989-06-13 |
| 4811682 | Mini inflatable yacht | Chi Y. Hwang | 1989-03-14 |