Patents by Inventor Ya-Ching Wang

Ya-Ching Wang 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).

  • Hygienic pad
    Publication number: 20020107496
    Abstract: A hygienic pad includes a flat body having absorbing material received therein and a protrusion extends from a top surface of the body. The protrusion has a tapered ridge and is located to be inserted in the posterior groove of the user at the rear portion of the buttocks.
    Type: Application
    Filed: February 6, 2001
    Publication date: August 8, 2002
    Inventor: Ya-Ching Wang