Patents by Inventor Deborah A. Cho

Deborah A. Cho 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).

  • Toy egg
    Patent number: 5813895
    Abstract: A toy simulates a realistic hatching from an egg of an animal-like figure. Two halves of a plastic egg-shaped shell are joined by a liquid-soluble adhesive. Liquid can enter into liquid channels in the shell to dissolve the adhesive, "hatching" the figure in the shell.
    Type: Grant
    Filed: June 27, 1997
    Date of Patent: September 29, 1998
    Inventor: Deborah A. Cho