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Patents Grantslast 30 patents

Information Patent Grant
Coin mechanism for vending machine
- Patent number 6,571,930
- Issue date Jun 3, 2003
- Fortune Resources, Inc.
- Yang Yao Li
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
Coin mechanism for vending machine
- Publication number 20020117374
- Publication date Aug 29, 2002
- Yang Yao Li
- G07 - CHECKING-DEVICES