Patents by Inventor Roger Vogeler

Roger Vogeler 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: 5692749
    Abstract: A tiling, pattern-matching puzzle having a large number of distinct, challenging solutions while maintaining in each solution an overall unity and perceptible wholeness. This is achieved by providing each puzzle piece with a surface design comprising a number of distinct regions separated by contour lines terminating at precisely spaced points along the edges of the piece.
    Type: Grant
    Filed: August 21, 1996
    Date of Patent: December 2, 1997
    Inventor: Roger Vogeler