Yingquan Chang

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Rooftop tent and receiving apparatus thereof
- Patent number 11,352,808
- Issue date Jun 7, 2022
- Shuaiqi Chen
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Inflatable tent on roof of a vehicle
- Patent number D935378
- Issue date Nov 9, 2021
- Shuaiqi Chen
- D12 - Transportation
Information Patent Grant
Three-fold vehicle top tent
- Patent number 10,890,010
- Issue date Jan 12, 2021
- Yingquan Chang
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Rooftop tent and receiving apparatus thereof
- Publication number 20220098893
- Publication date Mar 31, 2022
- Beijing Playdo Outdoor Products Co., Ltd.
- Shuaiqi Chen
- B60 - VEHICLES IN GENERAL