Patents by Inventor Lin Ming Chuan

Lin Ming Chuan 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).

  • Patent number: 7165821
    Abstract: A drawer assembly includes four side boards and each of the side boards has at lease one lug on two ends and one of two sides thereof, and a bottom board which has lugs one four sides thereof. The four side boards are connected to be a four-side frame by connecting the at least one lugs by four pins. The four-side frame is connected to the bottom board by connecting the at least one lugs of the four-side frame to the lugs on the four sides of the bottom board. The drawer assembly requires no tools or welding machine to assemble a drawer within a short period of time.
    Type: Grant
    Filed: March 29, 2004
    Date of Patent: January 23, 2007
    Inventor: Lin Ming Chuan
  • Patent number: 6648237
    Abstract: A toy vehicle track segment is disclosed. The toy vehicle track segment has a first end, a second end, an upper surface, and a plurality of nodes. The upper surface has a pair of parallel recessed rails extending from the first end to the second end. Each rail has an inner wall joined to an outer wall by a base surface. The plurality of nodes are located within at least one of the pair of rails. The nodes are provided for improving traction of a toy vehicle as it traverses along the upper surface. The nodes are located on the base surface and extend along a first direction transverse to the length of the upper surface.
    Type: Grant
    Filed: November 13, 2001
    Date of Patent: November 18, 2003
    Assignee: Learning Curve International, Inc.
    Inventors: Richard Rothkopf, Donald E. Toht, K. Dale Weathington, Lin Ming Chuan Cindy
  • Publication number: 20030089789
    Abstract: A toy vehicle track segment is disclosed. The toy vehicle track segment has a first end, a second end, an upper surface, and a plurality of nodes. The upper surface has a pair of parallel recessed rails extending from the first end to the second end. Each rail has an inner wall joined to an outer wall by a base surface. The plurality of nodes are located within at least one of the pair of rails. The nodes are provided for improving traction of a toy vehicle as it traverses along the upper surface. The nodes are located on the base surface and extend along a first direction transverse to the length of the upper surface.
    Type: Application
    Filed: November 13, 2001
    Publication date: May 15, 2003
    Inventors: Richard Rothkopf, Donald E. Toht, K. Dale Weathington, Lin Ming Chuan Cindy
  • Patent number: D481424
    Type: Grant
    Filed: November 13, 2001
    Date of Patent: October 28, 2003
    Assignee: Learning Curve International, Inc.
    Inventors: Richard Rothkopf, Donald E. Toht, K. Dale Weathington, Lin Ming Chuan Cindy