Zeyan Guan

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Guangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Self-locking type shutter device
- Patent number 8,839,940
- Issue date Sep 23, 2014
- GRG Banking Equipment Co., Ltd.
- Zeyan Guan
- G07 - CHECKING-DEVICES
Information Patent Grant
Financial self-help service device for preventing plugging by forei...
- Patent number 8,459,437
- Issue date Jun 11, 2013
- GRG Banking Equipment Co., Ltd.
- Zeyan Guan
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
SELF-LOCKING TYPE SHUTTER DEVICE
- Publication number 20120192771
- Publication date Aug 2, 2012
- GRG Banking Equipment Co., Ltd.
- Zeyan Guan
- G07 - CHECKING-DEVICES
Information Patent Application
FINANCIAL SELF-HELP SERVICE DEVICE FOR PREVENTING PLUGGING BY FOREI...
- Publication number 20120192770
- Publication date Aug 2, 2012
- GRG Banking Equipment Co., Ltd.,
- Zeyan Guan
- G07 - CHECKING-DEVICES