Patent Issued for Hinge Coupling Structure for Welding Mask, Face Shield and Safety Helmet

摘要

2013 MAR 20 (VerticalNews) -- By a News Reporter-Staff News Editor at Journal of Engineering -- Anpatent by the inventor Huh, Moon Young (Seoul, KR), filed on May 31, 2011, was cleared and issued onnMarch 5, 2013, according to news reporting originating from Alexandria, Virginia, by VerticalNewsncorrespondents.