Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7726041 | Ventilation sole for shoes | Young Hwa Woo | 2010-06-01 |
| 5743939 | Waste gas processing apparatus and method for semiconductor fabricating equipment | Sang Min Lee, Hong-Rok Choi, Young-soek No | 1998-04-28 |
| 5216216 | Equipment for discharging overflows in a microwave oven | — | 1993-06-01 |
| 5192842 | Microwave oven having rotatable tray which moves up and down during rotation | — | 1993-03-09 |