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Patents Grantslast 30 patents

Information Patent Grant
Rotatable device powered by continued electricity supply and a wind...
- Patent number 10,819,076
- Issue date Oct 27, 2020
- Baozhang Liao
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Rotatable device powered by continued electricity supply and a wind...
- Publication number 20180358769
- Publication date Dec 13, 2018
- Baozhang LIAO
- F21 - LIGHTING