Patents by Inventor Sang Gulk Ahn

Sang Gulk Ahn 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).

  • AUTOMATIC FLANGE SURFACE MACHINING APPARATUS
    Publication number: 20110179933
    Abstract: Disclosed is an automatic flange surface machining apparatus for machining a flange surface.
    Type: Application
    Filed: September 29, 2009
    Publication date: July 28, 2011
    Inventors: Sang Gulk Ahn, Seong Won Lee