Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D599410 | Open face simulated neon sign | — | 2009-09-01 |
| 7467486 | Method and apparatus for simulating the appearance of a neon sign | — | 2008-12-23 |
| 7262707 | Message sign alert device and method | — | 2007-08-28 |
| 7252539 | Insertion assembly of a key management system | Shieh-Hwei Lee Chen | 2007-08-07 |
| D544038 | Open sign | Shieh-Hwei Lee Chen | 2007-06-05 |
| 6271814 | Dual message advertising display system | — | 2001-08-07 |
| D350778 | Illuminable changing exhibitor message sign | — | 1994-09-20 |