Patents by Inventor Joseph DeVries

Joseph DeVries 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).

  • Board game matching numbered sides of rectangular pieces
    Patent number: 4659085
    Abstract: There is described a board game having (n+3).sup.2 playing spaces and an equal number of playing pieces, of which (n+1)(3n/2 +1) are numbered on each side and the remainder are blank. The numbered tiles are divided into three groups: one group has members whose numbers on each side are identical; a second group has a number on one side different from the numbers on the other sides; the third group has two pairs of numbers on each piece with the members of each pair on opposite sides. Several variations in play are described.
    Type: Grant
    Filed: September 27, 1985
    Date of Patent: April 21, 1987
    Inventor: Joseph DeVries