Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D669338 | Passageway door lock | — | 2012-10-23 |
| D669336 | Passageway door lock | — | 2012-10-23 |
| D669337 | Passageway door lock | — | 2012-10-23 |
| D669333 | Passageway door lock | — | 2012-10-23 |
| D669334 | Passageway door lock | — | 2012-10-23 |
| D669335 | Passageway door lock | — | 2012-10-23 |
| D668930 | End cap for a touch bar for a passageway door lock | — | 2012-10-16 |
| 8267442 | Outer operational device for panic exit door lock | Chen-Wei Huang | 2012-09-18 |
| 8201857 | Adjustable driving mechanism for panic exit door lock | — | 2012-06-19 |
| 8070192 | Dogging device for latch assembly | — | 2011-12-06 |
| 8042843 | Adjustable driving mechanism for panic door lock | — | 2011-10-25 |
| 8029027 | Latch device for panic door lock with anti-picking function | — | 2011-10-04 |
| 8011702 | Outer operational device for panic exit door lock | Chen-Wei Huang | 2011-09-06 |
| 7836738 | Mortise lock for ordinary door and panic door | Chen-Wei Huang | 2010-11-23 |
| D623499 | Cover for a fireproof door lock | — | 2010-09-14 |
| 7634927 | Panic exit door lock allowing locking on both sides | — | 2009-12-22 |
| 7281738 | Interchangeable handle assembly for lock | Mu-Lin Shen | 2007-10-16 |