Dong Won Yu

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Syosset, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Simplified and stable hat construction with rotatable brim
- Patent number 7,240,373
- Issue date Jul 10, 2007
- 3Sixty Innovations, LLC
- Oliver Ahn
- A42 - HEADWEAR

Patents Applicationslast 30 patents

Information Patent Application
Simplified and stable hat construction with rotatable brim
- Publication number 20040244094
- Publication date Dec 9, 2004
- Oliver Ahn
- A42 - HEADWEAR