Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4272076 | Tetherable game ball | Jae M. Song | 1981-06-09 |
| 4270757 | Tethered ball game and apparatus | — | 1981-06-02 |
| 4240629 | Tetherable game ball | Jae M. Song | 1980-12-23 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4272076 | Tetherable game ball | Jae M. Song | 1981-06-09 |
| 4270757 | Tethered ball game and apparatus | — | 1981-06-02 |
| 4240629 | Tetherable game ball | Jae M. Song | 1980-12-23 |