Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8006643 | Robotic pet-sitter system | Yangsheng Xu, Huihuan Qian, Bufu Huang, Xi Shi | 2011-08-30 |
| 7258591 | Mobile roly-poly-type apparatus and method | Yang Xu, Shu-Shang Zhao, Wing-Seng Fong | 2007-08-21 |