Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837199 | Cylindrical latch bolt assembly having beveled blocking surface | Xinmin Ou, Guohua Liu, Jian Wen | 2020-11-17 |
| 10619387 | Handle set having latch bolt actuable by pushing handle | Xinmin Ou, Duane J. Luke, Steven T. Weathersby, Hossein Molaie Shargh, Feilong Liang +5 more | 2020-04-14 |