Houcai Liao

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Dongyang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Lamp
- Patent number D853603
- Issue date Jul 9, 2019
- HENGDIAN GROUP TOSPO LIGHTING CO., LTD.
- Zuohong Yao
- D26 - Lighting
Information Patent Grant
LED lamp
- Patent number D831862
- Issue date Oct 23, 2018
- HENGDIAN GROUP TOSPO LIGHTING CO., LTD.
- Zuohong Yao
- D26 - Lighting