Patents by Inventor William Kent

William Kent 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).

  • Pentomino puzzles
    Patent number: 3964749
    Abstract: A board having four rectangles of 90 squares dimensioned respectively 9 .times. 10, 6 .times. 15, 5 .times. 18 and 3 .times. 30. At least one set of the 18 one-sided pentominoes are provided for disposition in the aforesaid rectangles. In one embodiment a number on one side of each pentominoe piece is related to the difficulty of playing the piece. In another embodiment, two sets of pentominoes are provided with opposite checkerboard patterns. In other embodiments, the pentominoes are provided with parts of a message, picture or geometric design.
    Type: Grant
    Filed: April 10, 1970
    Date of Patent: June 22, 1976
    Inventor: William Kent Wadsworth