Patents Assigned to Ding Wei Enterprises, Inc.
  • Mason's hand tool
    Patent number: 6131290
    Abstract: A mason's hand tool includes a blade, a handle, and a head cap. The blade is fastened with one end of the handle. The handle has a head end opposite to the one end of the handle. The head cap is fastened with the head end. The handle and the head cap are made integrally of a plastic material by injection molding. The head cap has a plurality of protrusions which are anchored in the head end of the handle.
    Type: Grant
    Filed: March 30, 1999
    Date of Patent: October 17, 2000
    Assignee: Ding Wei Enterprises, Inc.
    Inventor: Lian Jen Chiou
  • Structure of scissors
    Patent number: 5421090
    Abstract: A scissors includes two blades pivoted together in the middle, each blade having a handle unit at one end and a cutting unit at an opposite end, wherein the cutting unit of either blade has a respective wave-like cutting edge, the wave-like cutting edges of the two cutting units holding down the thing to be cut when they are moved to slide past each other.
    Type: Grant
    Filed: February 8, 1994
    Date of Patent: June 6, 1995
    Assignee: Ding Wei Enterprises, Inc.
    Inventor: Lian-Jen Chiou
  • Mason's hand tool
    Patent number: RE38093
    Abstract: A mason's hand tool includes a blade, a handle, and a head cap. The blade is fastened with one end of the handle. The handle has a head end opposite to the one end of the handle. The head cap is fastened with the hand end. The handle and the head cap are made integrally of a plastic material by injection molding. The head cap has a plurality of protruding which are anchored in the head end of the handle.
    Type: Grant
    Filed: April 4, 2001
    Date of Patent: April 29, 2003
    Assignee: Ding Wei Enterprises, Inc.
    Inventor: Lian-Jen Chiou