Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6873083 | Double brush assembly | Yiu Leung Man | 2005-03-29 |
| 6097128 | Dust guard | — | 2000-08-01 |
| 6046522 | Single direction single phase synchronous motor | — | 2000-04-04 |
| 6007308 | Coupling device for a pump impeller | — | 1999-12-28 |