Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12130202 | Semi-physical simulation test bench and test method for multi-machine parallel operation device of gas turbines | Zhitao Wang, Jian Li, Shuying Li, Jiayi Ma, Tianhao Guan +1 more | 2024-10-29 |
| 7197903 | Method and apparatus for a storm door mortise lock including an integral cam | Frank Char, Huang Xiang Xiang | 2007-04-03 |
| 7152442 | Method for installing a storm door mortise lock including a separate key cylinder | Frank Char, Huang Xiang Xiang | 2006-12-26 |