Patents by Inventor Chen-Ta Lin

Chen-Ta Lin 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: 20030110906
    Abstract: A versatile tubular holder for positioning and operating the hex wrenchs includes a tubular holder having a closed end, an open end, a plurality of circular positioning holes of different diameters spacedly formed in the closed end extending along the length of the lateral walls of the holder, a hollow interior extension projected downward from a middle portion of the holder including a plurality of different sized hexagon inserting holes centrally and spacedly formed in one of the lateral sides extending along the length thereof and an opening abutting a pair of stepped inner wall in the other side opposite to the hexagon inserting holes. It is characterized that a plurality of l-shaped hex wrenchs position their tails into the circular positioning holes respectively when not in use and insert their head into the hexagon inserting holes respectively in operation.
    Type: Application
    Filed: December 19, 2001
    Publication date: June 19, 2003
    Inventors: Hsin-Hung Li, Chen-Ta Lin