Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7197903 | Method and apparatus for a storm door mortise lock including an integral cam | Huang Xiang Xiang, Liang Ming | 2007-04-03 |
| 7152442 | Method for installing a storm door mortise lock including a separate key cylinder | Huang Xiang Xiang, Liang Ming | 2006-12-26 |
| D481923 | Contoured push button handle for a storm door | Huang Xiang Xiang, Wu Qing | 2003-11-11 |