Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D555636 | Tubular speaker system | Shu Ting Chen, Thomas A. Disco, Charles Scott Madison, Jin Sen WANG | 2007-11-20 |
| D544119 | Flashlight | Xiang Yang Ding, Thomas A. Disco, Charles Scott Madison, Jin Sen WANG | 2007-06-05 |