Jianxun ZHANG

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JIAOZHOU CITY, CN

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Patents Applicationslast 30 patents

Information Patent Application
Screen Doors
- Publication number 20240191569
- Publication date Jun 13, 2024
- QINGDAO SEA NOVA BUILDING PROFILES PRODUCTS CO., LTD.
- Jianxun ZHANG
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Door Leaves and Doors Incorporating the Door Leaves
- Publication number 20240175311
- Publication date May 30, 2024
- QINGDAO SEA NOVA BUILDING PROFILES PRODUCTS CO., LTD.
- Minghui CHEN
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS