Games and puzzles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 9, 1999
Grant Date -
N/A
app pub date -
Nov 26, 1996
filing date -
May 31, 1994
priority date (Note) -
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Abstract
A game or puzzle including a plurality of polyomino pieces which have the obverse sides and the reverse sides marked with different markings, there being a least three markings in total on the obverse and reverse sides of the piece. The pieces may be assembled using both sides into different arrays of eight by eight squares defining checkerboard patterns for use in playing the game of chess or checkers. The pieces may also be assembled into a cube comprising four by four squares.
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