Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8336927 | Tilt latch with cantilevered angular extension | Luke Liang, Toug Liang, David Chen | 2012-12-25 |
| 7775563 | Mortise lock for a sliding door | Luke Liang, David Chen | 2010-08-17 |
| 7699365 | Sash lock with condition signal | Luke Liang, David Chen | 2010-04-20 |
| D593841 | Tilt latch | Luke Liang, David Chen | 2009-06-09 |
| 7530611 | Night latch for sliding member | Luke Liang, David Chen | 2009-05-12 |
| D551534 | Handle | Luke Liang, David Chen | 2007-09-25 |
| 7251860 | Window rotating handle | Luke Liang | 2007-08-07 |