Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8056378 | Rekeyable lock cylinder and rekeying method thereof | Chao-Ming Huang | 2011-11-15 |
| 8006525 | Transmission device for a door lock | Chao-Ming Huang | 2011-08-30 |
| 7980106 | Rekeyable lock cylinder, plug assembly of the same and method for rekeying the same | Chao-Ming Huang | 2011-07-19 |
| 7937976 | Rekeyable lock cylinder and operating method thereof | Chao-Ming Huang | 2011-05-10 |