Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9300922 | Anti-counterfeit banknote recorder, an automatic teller machine and a system | Xiling Li, Zhenggang Dai | 2016-03-29 |
| 5953924 | Apparatus, process and system for tube and whip rod heat exchanger | Yao Li, Albert P. Yundt, Jr., I-Chien Ho | 1999-09-21 |
| 5768894 | Apparatus, process and system for tube and whip rod heat exchanger | Yao Li, Albert P. Yundt, Jr., I-Chien Ho | 1998-06-23 |