DUCK JEAN ENTERPRISE CO., LTD.

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Inchon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Musical accessory having tuner and/or metronome and having power ge...
- Patent number 7,446,251
- Issue date Nov 4, 2008
- Duck Jean Enterprise Co., Ltd.
- Hyun Duck Lee
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Musical Accessory Having Tuner and/ or Metronome and Having Power G...
- Publication number 20070256534
- Publication date Nov 8, 2007
- DUCK JEAN ENTERPRISE CO., LTD.
- Hyun Duck Lee
- G04 - HOROLOGY

Trademarklast 30 trademarks