Bolun ZHANG

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Guangzhou, Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Wheelchair structure
- Patent number 11,883,339
- Issue date Jan 30, 2024
- Bolun Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
WHEELCHAIR STRUCTURE
- Publication number 20210267825
- Publication date Sep 2, 2021
- Guangzhou Shiyuan Electronics Co., Ltd.
- Bolun ZHANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE