Patents per Year
Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12275524 | Rib mounting assembly | Allan David McNaught | 2025-04-15 |
| 12157536 | Portable conveyance with dual function rack and stand | Zhiming Ye, Xiaojun Wang, Liuhai Zhao, Wei Chang, Zhenghua Kong | 2024-12-03 |
| 11591038 | Portable conveyance with dual function rack and stand | Zhiming Ye, Xiaojun Wang, Liuhai Zhao, Wei Chang, Zhenghua Kong | 2023-02-28 |
| 11214326 | Footrest with integrated tow handle for portable conveyance | Zhenghua Kong, Kai Wang, Wei Chang | 2022-01-04 |
| 9586643 | Portable conveyance with towing guide assembly | Zhenghua Kong, Wei Chang, Yazhao Wang, Kai Wang | 2017-03-07 |
| 9376158 | Portable conveyance with towing guide assembly | Zhenghua Kong, Wei Chang, Yazhao Wang, Kai Wang | 2016-06-28 |
| D274673 | Collapsible bootjack | — | 1984-07-17 |
| 4394946 | Collapsible bootjack | — | 1983-07-26 |
| 4342249 | String mounting pitch changing apparatus for a pedal steel guitar | Tom McCormick | 1982-08-03 |