Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611120 | Robot cleaning system using mobile communication network | Jeong-gon Song, Jang-youn Ko | 2003-08-26 |
| D478709 | Cap | — | 2003-08-26 |
| 6597143 | Mobile robot system using RF module | Jeong-gon Song | 2003-07-22 |
| 6570786 | NAND-type memory array and method of reading, programming and erasing using the same | — | 2003-05-27 |