Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D623224 | Ball pen | — | 2010-09-07 |
| 7314226 | Folding bicycle | — | 2008-01-01 |
| 7290780 | Folding bicycle | — | 2007-11-06 |
| 7135004 | Rotary massaging stick | — | 2006-11-14 |
| 6402710 | Motor-driven massaging bar with swivel balls | — | 2002-06-11 |
| 6272952 | Double-reversible screwdriver and wrench combination hand tool | Chang Hsueh-O Hsu | 2001-08-14 |
| 5951367 | Cup padding for supporting the breast | — | 1999-09-14 |