Zhengjie Jiang

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Changzhou, CN

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Patents Applicationslast 30 patents

Information Patent Application
ZIPPER, CHILD RESISTANT ZIPPER BAG AND OPENING METHOD THEREOF
- Publication number 20230036937
- Publication date Feb 2, 2023
- Zhengjie Jiang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
CHILD RESISTANT BAG AND OPENING METHOD THEREOF
- Publication number 20230036651
- Publication date Feb 2, 2023
- Zhengjie Jiang
- A44 - HABERDASHERY JEWELLERY