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Puzzle cube
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Patent number 4,540,177
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Issue date Sep 10, 1985
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Tibor Horvath
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A63 - SPORTS GAMES AMUSEMENTS
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Puzzle cube
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Patent number 4,405,131
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Issue date Sep 20, 1983
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Tibor Horvath
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A63 - SPORTS GAMES AMUSEMENTS
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Aquarium pump structure
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Patent number 4,053,262
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Issue date Oct 11, 1977
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Aquology Pet Corporation
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Tibor Horvath
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Aquarium pump with aeration
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Patent number 4,043,914
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Issue date Aug 23, 1977
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Aquology Corporation
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Tibor Horvath
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Aquarium filter tank pump with bypass
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Patent number 4,039,453
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Issue date Aug 2, 1977
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Aquology Corporation
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Tibor Horvath
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Check valve
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Patent number 4,034,780
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Issue date Jul 12, 1977
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Aquology Corporation
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Tibor Horvath
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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