Zuoguo Cao

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Guangzhou, CN

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Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC WATER FILTERING PURIFYING BOTTLE
- Publication number 20240294398
- Publication date Sep 5, 2024
- GUANGZHOU LANQUAN HOUSEHOLD ELECTRICAL APPLIANCE CO., LTD
- ZUOGUO CAO
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Application
CARBON NANOFIBER COMPOSITE WATER PURIFICATION MATERIAL, PREPARATION...
- Publication number 20200087168
- Publication date Mar 19, 2020
- GUANGZHOU LANQUAN HOUSEHOLD ELECTRIC APPLIANCE CO., LTD.
- Zuoguo Cao
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE