Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9586643 | Portable conveyance with towing guide assembly | Robert McCormick, Zhenghua Kong, Wei Chang, Kai Wang | 2017-03-07 |
| 9376158 | Portable conveyance with towing guide assembly | Robert McCormick, Zhenghua Kong, Wei Chang, Kai Wang | 2016-06-28 |