Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469693 | Computer mouse with single-piece top and single-piece bottom | Ting Fu Chang, Shawn D. Worsell | 2002-10-22 |
| D440972 | Computer mouse | Ting Fu Chang, Shawn D. Worsell | 2001-04-24 |
| D430879 | Computer mouse | Ting Fu Chang, Shawn D. Worsell | 2000-09-12 |
| D430881 | Computer mouse | Marc Bidiville, Antoine Merminod, Ting Fu Chang, Shawn D. Worsell | 2000-09-12 |