Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954198 | Ergonomically shaped computer pointing device | Paul Ying-Fung Wu | 2005-10-11 |
| 6802662 | Non-linear ergonomic keyboard | Cheng Tung Cheng | 2004-10-12 |
| 4515538 | Ceiling fan | — | 1985-05-07 |