Chunhui Chang

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Hefei, CN

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Patents Grantslast 30 patents

Information Patent Grant
Cat litter box
- Patent number D1084551
- Issue date Jul 15, 2025
- HEFEI JIQU NETWORK TECHNOLOGY CO., LTD.
- Nan Jiang
- D30 - Animal husbandry
Information Patent Grant
Cat litter box
- Patent number D1013979
- Issue date Feb 6, 2024
- HEFEI JIQU NETWORK TECHNOLOGY CO., LTD.
- Chunhui Chang
- D30 - Animal husbandry