Kyoung Key Yoon

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Busan, KR

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Patents Grantslast 30 patents

Information Patent Grant
Bottom thread supply device detecting residual thread for a sewing...
- Patent number 7,798,081
- Issue date Sep 21, 2010
- Kyoung Key Yoon
- D05 - SEWING EMBROIDERING TUFTING

Patents Applicationslast 30 patents

Information Patent Application
Bottom Thread Supply Device Detecting Residual Thread for a Sewing...
- Publication number 20070261622
- Publication date Nov 15, 2007
- Kyoung Key Yoon
- D05 - SEWING EMBROIDERING TUFTING