Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1076295 | Vacuum cleaner | Jing Zhang | 2025-05-20 |
| D1022360 | Vacuum cleaner | — | 2024-04-09 |
| D1005625 | Vacuum cleaner | Jing Zhang | 2023-11-21 |
| D1004869 | Vacuum cleaner | Jing Zhang | 2023-11-14 |
| 10703000 | Negative pressure pneumtic hair clipper | Weiming Song | 2020-07-07 |
| 5768223 | Audio device | Pi-Hsiung Hsieh, Gary Alan Fisher | 1998-06-16 |
| 5631883 | Combination of book with audio device | — | 1997-05-20 |
| 5320287 | Paper shredding knife structure for paper shredder | — | 1994-06-14 |