Johnny Chung

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Chung Ho City, Taipei Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Twin-shaft swinging type coin-identifying/receiving device
- Patent number 6,349,811
- Issue date Feb 26, 2002
- Johnny Chung
- G07 - CHECKING-DEVICES
Information Patent Grant
Coin collecting machine
- Patent number 5,788,047
- Issue date Aug 4, 1998
- Johnny Chung
- G07 - CHECKING-DEVICES