Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7347386 | Sprayer with changeable volume | — | 2008-03-25 |
| 7237729 | Sprayer with changeable volume | — | 2007-07-03 |
| 7195030 | Bicycle pump valve | — | 2007-03-27 |
| 7178549 | Valve coupling device for pump | Scott Wu | 2007-02-20 |
| 7118050 | Sprayer with changeable volume | — | 2006-10-10 |
| 6250343 | Inflating cylinder with both inflating and air sucking effects | — | 2001-06-26 |
| 5873705 | Tire pump | — | 1999-02-23 |
| 5807078 | Hand air pumps | — | 1998-09-15 |