Qingdao Gyoha Plastics Co., Ltd.

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Patents Grantslast 30 patents

Information Patent Grant
Eyelet and press machine and method for attachment of eyelets and m...
- Patent number 6,497,034
- Issue date Dec 24, 2002
- Qingdao Gyoha Plastics, Co., Ltd.
- Do Jin Chung
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Eyelet and press machine for attachment of eyelets
- Patent number 6,253,434
- Issue date Jul 3, 2001
- Qingdao Gyoha Plastics Co., Ltd.
- Do Jin Chung
- A43 - FOOTWEAR
Information Patent Grant
Eyelet
- Patent number D442064
- Issue date May 15, 2001
- Qingdao Gyoha Plastics Co., Ltd.
- Do Jin Chung
- D08 - Tools and hardware
Information Patent Grant
Polymeric grommet
- Patent number 6,006,406
- Issue date Dec 28, 1999
- Qingdao Gyoha Plastics Co., Ltd.
- Do Jin Chung
- A41 - WEARING APPAREL

Patents Applicationslast 30 patents

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