Patents by Inventor Lee A. Augustine

Lee A. Augustine 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: 4815742
    Abstract: A multi-layered puzzle having a plurality of generally transparent layers with each layer having different designs thereon. The puzzle is solved by matching the shape design of each piece and identifying the appropriate layer in the puzzle. The overlaying pieces provide for a three dimensional puzzle especially adapted for puzzles having nature scenes inscribed thereon. The difficulty of the puzzle may further be increased by having one or more layers in contoured relation to each other.
    Type: Grant
    Filed: November 20, 1987
    Date of Patent: March 28, 1989
    Inventor: Lee A. Augustine