Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10125522 | Method for installing a lockset | Xin Ou, Xin Min Ou, Han Gui Xiao, Shi-Hao Chen, Guo Hua Liu | 2018-11-13 |
| 10047550 | Lockset operable by pivoting actuator about a first axis or a second axis | Xin Ou, Xin Min Ou, Han Gui Xiao, Shi-Hao Chen, Guo Hua Liu | 2018-08-14 |
| 9447610 | Lockset operable by pivoting actuator about a first axis or a second axis | Xin Ou, Xin Min Ou, Han Gui Xiao, Shi-Hao Chen, Guo Hua Liu | 2016-09-20 |
| 9212507 | Lockset operable by pivoting actuator about a first axis or a second axis | Xin Ou, Xin Min Ou, Han Gui Xiao, Shi-Hao Chen, Guo Hua Liu | 2015-12-15 |
| 7596975 | Lock mechanism | Xiang Zou, Gua Hua Liu | 2009-10-06 |
| 7222890 | Multiple backset latch | — | 2007-05-29 |