Shumeng Cai

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Folding keyboard
- Patent number D795873
- Issue date Aug 29, 2017
- Shenzhen Hastech Industries Co., Ltd.
- Wei Jiang
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Folding keyboard
- Patent number D745520
- Issue date Dec 15, 2015
- Shenzhen Hastech Industries Co., Ltd.
- Wei Jiang
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Keyboard
- Patent number D745521
- Issue date Dec 15, 2015
- Shenzhen Hastech Industries Co., Ltd.
- Wei Jiang
- D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents

Information Patent Application
Foldable Keyboard
- Publication number 20150286286
- Publication date Oct 8, 2015
- Shenzhen Hastech Industries Co., Ltd
- Wei Jiang
- G06 - COMPUTING CALCULATING COUNTING