Patents by Inventor Shuk-dae Son

Shuk-dae Son 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).

  • Stone polishing pad containing cork powder and method for manufacturing the same
    Publication number: 20030182867
    Abstract: Disclosed are a mixture of a stone polishing pad, a stone polishing pad made of the mixture and a method for manufacturing the stone polishing pad. Instead of planar structure, the stone polishing pad has polishing protrusions and an uneven surface formed on the surface of the polishing protrusions that contacts with the polished object. The stone polishing pad is formed by charging a mould with the mixture of the stone polishing pad that includes cork powder, and forming the same under high temperature and high pressure.
    Type: Application
    Filed: September 10, 2002
    Publication date: October 2, 2003
    Inventor: Shuk-dae Son