Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5975861 | Pumping assembly for use in ventilated footwear | Bongseop Shin, Donggeon Kim, Seongog Cho, Kwangseog Park | 1999-11-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5975861 | Pumping assembly for use in ventilated footwear | Bongseop Shin, Donggeon Kim, Seongog Cho, Kwangseog Park | 1999-11-02 |