Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499019 | Electronic payment device using unbalanced binary tree and the method of the same | Sung-Ming Yen, Chien-Chung Yuan, Jong-Ming Lee | 2002-12-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499019 | Electronic payment device using unbalanced binary tree and the method of the same | Sung-Ming Yen, Chien-Chung Yuan, Jong-Ming Lee | 2002-12-24 |