Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9430768 | Mobile checkout systems and methods | William Wang Graylin, Jimmy Tai Kwan Tang | 2016-08-30 |
| 9412105 | Mobile checkout systems and methods | William Wang Graylin, Jimmy Tai Kwan Tang | 2016-08-09 |