Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D471208 | Vacuum pump rotor | — | 2003-03-04 |
| 6514035 | Multiple-type pump | Rong-Yuan Jou | 2003-02-04 |
| 6464452 | Vacuum pump | — | 2002-10-15 |
| D456422 | Vacuum pump rotor | — | 2002-04-30 |
| 6302641 | Multiple type vacuum pump | Rong-Yuan Jou | 2001-10-16 |