Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11488169 | Converting exchange items associated with static exchange item identifiers into dynamically identified exchange items | Frank Zhengfan Yang | 2022-11-01 |
| 11341551 | Use verification code for validating an exchange item use request | Frank Zhengfan Yang, Tyler Robert Spalding, Trevor Filter | 2022-05-24 |
| 11222338 | Replacing a fraudulently obtained exchange item | Frank Zhengfan Yang | 2022-01-11 |