Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6839411 | Graphical user interface and method for displaying messages | Benjamin B. Tang, Sharon Brown, Tom Hill | 2005-01-04 |
| 6237914 | Multi dimensional puzzle | Youngmi Kim | 2001-05-29 |