Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6636974 | Method for automatically storing first use date of electronic device | — | 2003-10-21 |
| 6633983 | Apparatus and method for automatically storing first use date of an electronic device | Sang-Rok Han, Yeon-taek Han | 2003-10-14 |