Hai Wang

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Kowloon, HK

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Patents Grantslast 30 patents

Information Patent Grant
Powered toothbrush with bristles having random motion
- Patent number 10,603,148
- Issue date Mar 31, 2020
- INNOTECH APPLIANCE LIMITED
- Hai Wang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
TOOTHBRUSH CLOSELY FITTED TO THE TEETH
- Publication number 20190231060
- Publication date Aug 1, 2019
- INNOTECH APPLIANCE LIMITED
- Hai WANG
- A46 - BRUSHWARE
Information Patent Application
MANUAL TOOTHBRUSH
- Publication number 20190075920
- Publication date Mar 14, 2019
- INNOTECH APPLIANCE LIMITED
- Hai WANG
- A46 - BRUSHWARE
Information Patent Application
BRISTLE TUFT ASSEMBLY AND A TOOTHBRUSH DEVICE
- Publication number 20190075918
- Publication date Mar 14, 2019
- INNOTECH APPLIANCE LIMITED
- Hai WANG
- A46 - BRUSHWARE
Information Patent Application
TOOTHBRUSH DEVICE
- Publication number 20180368958
- Publication date Dec 27, 2018
- INNOTECH APPLIANCE LIMITED
- Hai WANG
- A46 - BRUSHWARE
Information Patent Application
POWERED TOOTHBRUSH WITH BRISTLES HAVING RANDOM MOTION
- Publication number 20180333241
- Publication date Nov 22, 2018
- INNOTECH APPLIANCE LIMITED
- Hai WANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Protective Case With A Holder
- Publication number 20170143086
- Publication date May 25, 2017
- OCEAN SPRINGS METAL MANUFACTURE LIMITED
- Hai Wang
- A45 - HAND OR TRAVELLING ARTICLES