Maolin LIU

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Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Cash box and cash circulation processing device
- Patent number 11,763,620
- Issue date Sep 19, 2023
- Shandong New Beiyang Information Technology Co., Ltd.
- Lei Zheng
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
CASH BOX AND CASH CIRCULATION PROCESSING DEVICE
- Publication number 20210383633
- Publication date Dec 9, 2021
- SHANDONG NEW BEIYANG INFORMATION TECHNOLOGY CO., LTD.
- Lei ZHENG
- G07 - CHECKING-DEVICES
Information Patent Application
BANKNOTE JAM TROUBLESHOOTING METHOD AND BILL RECYCLING TERMINAL
- Publication number 20210090373
- Publication date Mar 25, 2021
- SHANDONG NEW BEIYANG INFORMATION TECHNOLOGY CO., LTD.
- Zhuanlong YU
- G07 - CHECKING-DEVICES