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Interactive modular tile system
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Patent number 8,215,642
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Issue date Jul 10, 2012
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Koninklijke Philips Electronics, N.V.
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Marko Macura
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A63 - SPORTS GAMES AMUSEMENTS
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Hop scotch game 2
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Patent number 6,620,063
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Issue date Sep 16, 2003
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Gregory Benjamin
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A63 - SPORTS GAMES AMUSEMENTS
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Game mat apparatus
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Patent number 5,839,976
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Issue date Nov 24, 1998
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Elsie A. Darr
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A63 - SPORTS GAMES AMUSEMENTS
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Exercise and memory game
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Patent number 5,836,835
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Issue date Nov 17, 1998
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Paul D. Grimsley
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Footstep mimic game
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Patent number 5,248,152
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Issue date Sep 28, 1993
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John R. Timmerman
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A63 - SPORTS GAMES AMUSEMENTS