Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D415324 | Vacuum cleaner | Chia-Ming Lin | 1999-10-12 |
| D413187 | Upright vacuum cleaner | Chia-Ming Lin | 1999-08-24 |
| 5920043 | Circuit breaker control device for a vacuum cleaners dust hopper | Chia-Ming Lin | 1999-07-06 |
| 5839160 | Clutch control mechanical device for the brush axle of a vacuum cleaner | Chia-Ming Lin | 1998-11-24 |
| 5836620 | Telescopic extension wand for vacuum cleaner | Chia-Ming Lin | 1998-11-17 |
| 5819368 | Metal collection device for vacuum cleaners | Chia-Ming Lin | 1998-10-13 |