Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10143322 | Universal tree stand systems and methods | Elmer Chi Hang Cheng, Yifeng Zhang | 2018-12-04 |
| 10016691 | Water bucket games, systems, and methods | Ricky Tong | 2018-07-10 |
| 9960558 | Powered tree construction | Yifeng Zhang | 2018-05-01 |
| 9949572 | Systems and methods for internal airbed structure | Chaolong Lan, Minglian Ma | 2018-04-24 |