Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7224788 | Method and device for generating voice/text/image commercial information ringback tone during communication wait | Hyoung Chan Rhee | 2007-05-29 |
| 6780914 | Flame retardant polypropylene resin composition | In Sik Jung, Man-Seang Her, Sung-Man Lee | 2004-08-24 |