Patents Assigned to Free-Fire Industrial Corp.
  • Patent number: 8251323
    Abstract: A cup body of a suction cup includes a flattenable curved disc portion made of a first elastic material, and an elastic cup portion made of a second elastic material and having the disc portion embedded therein. The first elastic material is stiffer than the second elastic material.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: August 28, 2012
    Assignee: Free-Fire Industrial Corp.
    Inventor: Sheng-Yu Liu