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Observation wheel
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Patent number 8,852,006
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Issue date Oct 7, 2014
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Vladimir Alexeevich Gnezdilov
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A63 - SPORTS GAMES AMUSEMENTS
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Big dipper
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Patent number 6,792,873
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Issue date Sep 21, 2004
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Vladimir A. Gnezdilov
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A63 - SPORTS GAMES AMUSEMENTS
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Sideshow attraction
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Patent number 6,592,463
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Issue date Jul 15, 2003
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Vladimir A. Gnezdilov
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A63 - SPORTS GAMES AMUSEMENTS
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Roller coaster
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Patent number 5,463,962
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Issue date Nov 7, 1995
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Vladimir A. Gnezdilov
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A63 - SPORTS GAMES AMUSEMENTS