Qian Zhang

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Reflecting mirror
- Patent number D893489
- Issue date Aug 18, 2020
- Shanghai Putao Technology Co., Ltd.
- Qian Zhang
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Tablet and stand
- Patent number D860213
- Issue date Sep 17, 2019
- Shanghai Putao Technology Co., Ltd.
- Xiaofeng Sheng
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Tablet stand
- Patent number D833447
- Issue date Nov 13, 2018
- Shanghai Putao Technology Co., Ltd.
- Qian Zhang
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Wearable device
- Patent number D828351
- Issue date Sep 11, 2018
- Shanghai Putao Technology Co., Ltd.
- Lei Xie
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Cube
- Patent number D818055
- Issue date May 15, 2018
- SHANGHAI PUTAO TECHNOLOGY CO, LTD.
- Lei Xie
- D21 - Games, toys, and sports goods