Patents by Inventor Yang Won Ryou

Yang Won Ryou has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20130255698
    Abstract: The present invention relates to a hygienic mask, comprising: a mouth shield made of a transparent and flexible synthetic resin; a semicircular synthetic-resin attachment/detachment frame including a first attachment groove and an attachment protrusion such that the mouth shield can be attached thereto; a synthetic-resin jaw piece including a second attachment groove and a jaw support, the second attachment groove being made so as to receive the attachment protrusion of the attachment/detachment frame; and elastic ear bands provided at either side of the attachment/detachment frame and including ear-fastening rings. The ear-fastening rings are slidably adjustable so as to accommodate different ear sizes such that the ear bands can be hung on the ears and removed from the ears.
    Type: Application
    Filed: June 6, 2013
    Publication date: October 3, 2013
    Inventor: Yang Won Ryou