Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9898736 | Mobile checkout systems and methods | William Wang Graylin, Man Ho Li | 2018-02-20 |
| 9589262 | Mobile checkout systems and methods | William Wang Graylin, Man Ho Li | 2017-03-07 |
| 9430768 | Mobile checkout systems and methods | William Wang Graylin, Man Ho Li | 2016-08-30 |
| 9412105 | Mobile checkout systems and methods | William Wang Graylin, Man Ho Li | 2016-08-09 |
| 9123036 | Mobile checkout systems and methods | William Wang Graylin, Man Ho Li | 2015-09-01 |