HENG YAN

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Suqian, CN

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Patents Grantslast 30 patents

Information Patent Grant
Folding locking mechanism used for step stool
- Patent number 11,083,302
- Issue date Aug 10, 2021
- JIANGSU ZHOU JIJIE INTELLIGENT TECHNOLOGY CO., LTD.
- Heng Yan
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
FOLDING LOCKING MECHANISM USED FOR STEP STOOL
- Publication number 20190387887
- Publication date Dec 26, 2019
- Jiangsu Zhou Jijie Intelligent Technology Co.,Ltd
- HENG YAN
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...