Haitang Liu

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Jingzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Christmas tree stand connecting structure and LED decorative lamp
- Patent number 11,525,565
- Issue date Dec 13, 2022
- Haitang Liu
- F21 - LIGHTING
Information Patent Grant
Rotatable lamp device
- Patent number 11,519,593
- Issue date Dec 6, 2022
- Haitang Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Christmas tree connecting rod assembly
- Patent number 11,166,583
- Issue date Nov 9, 2021
- Haitang Liu
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
CHRISTMAS TREE CONNECTING ROD ASSEMBLY
- Publication number 20210030186
- Publication date Feb 4, 2021
- Haitang Liu
- F21 - LIGHTING