Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6568871 | Spherical joint for coupling three or more links together at one point | Se Kyong Song, Dong Soo Kwon | 2003-05-27 |
| 6552755 | Method for measuring convergence by using a mixed color pattern | Chang-Gun Lee | 2003-04-22 |
| 6528773 | Microwave oven with a convection heater and airflow mechanism to optimize convection cooking | Yang Kyeong Kim, Jong Gwan Ryu, Sung Jin Han | 2003-03-04 |