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Bankruptcy board game
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Patent number 11,273,365
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Issue date Mar 15, 2022
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Susen Haben
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G06 - COMPUTING CALCULATING COUNTING
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Marble game
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Patent number 6,536,765
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Issue date Mar 25, 2003
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Paul A. Thomas
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A63 - SPORTS GAMES AMUSEMENTS
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Computer math game
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Patent number 4,258,922
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Issue date Mar 31, 1981
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Alfred E. Landry
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Puzzle
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Patent number 4,026,560
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Issue date May 31, 1977
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Jim Meyer
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A63 - SPORTS GAMES AMUSEMENTS
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3762714
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Patent number 3,762,714
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Issue date Oct 2, 1973
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A63 - SPORTS GAMES AMUSEMENTS