Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8847742 | Portable electronic device having a waterproof keypad | — | 2014-09-30 |
| 8446264 | Portable electronic device having a waterproof keypad | — | 2013-05-21 |
| D464636 | Telephone set | Francis Shen | 2002-10-22 |
| D463390 | Telephone set | Francis Shen | 2002-09-24 |
| D461462 | Telephone set | Francis Shen | 2002-08-13 |
| D460954 | Telephone set | Francis Shen | 2002-07-30 |
| D449594 | Screen portion for telephone set | Francis Shen | 2001-10-23 |