Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7503842 | Air curtain-assisted exhaust method and device thereof | Pei-Hsin Pei, Shun-Chih Wang, Cheng-Ping Chang, Tung-Sheng Shih | 2009-03-17 |
| 7175592 | Mechanical massage device | — | 2007-02-13 |
| 7077229 | Folding and portable electric scooter | — | 2006-07-18 |
| 7021413 | Foldable electric motorcycle structure | — | 2006-04-04 |
| 6866645 | Pleasure promotive sexual drive | — | 2005-03-15 |
| 6752144 | Smoke guiding machine | — | 2004-06-22 |