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Mini-lottery abacus
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Patent number 6,375,186
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Issue date Apr 23, 2002
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Attila L. Joo
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G07 - CHECKING-DEVICES
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Random number selector
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Patent number 5,725,212
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Issue date Mar 10, 1998
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Peter A. Garrett
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G07 - CHECKING-DEVICES
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Lottery number picker
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Patent number 5,358,245
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Issue date Oct 25, 1994
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Robert Adell
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G07 - CHECKING-DEVICES
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Randomizing apparatus
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Patent number 5,011,148
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Issue date Apr 30, 1991
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Jerry A. Stebing
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G07 - CHECKING-DEVICES
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Backgammon score tower
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Patent number 4,877,247
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Issue date Oct 31, 1989
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Raymond L. Francis
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G07 - CHECKING-DEVICES
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Parlor lottery game
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Patent number 4,874,178
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Issue date Oct 17, 1989
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George J. Gage
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G07 - CHECKING-DEVICES
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