Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7051085 | Remote saving method of the search information on the internet | — | 2006-05-23 |
| 6490346 | Apparatus and method for providing music-on-hold service in key telephone system | Jeong-Woo Lee | 2002-12-03 |
| 5694461 | Method for controlling long distance calling using a multi-frequency receiver | — | 1997-12-02 |