Patents by Inventor Lien-Cheng Su

Lien-Cheng Su 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).

  • Retainer adapted to detachably secure two wired/grilled members together
    Patent number: 6691382
    Abstract: A retainer injection-molded from tough plastics for securing two wire meshed/grilled members together, for enabling the two secured members to be turned relative to each other between the operative position and the collapsed position. The retainer has two transverse through holes arranged in parallel, and two peripheral gaps through which the respective wire rods of the first and second wire meshed/grilled members are respectively set into the transverse through holes.
    Type: Grant
    Filed: October 8, 2002
    Date of Patent: February 17, 2004
    Inventor: Lien-Cheng Su