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Computerized yo-yo
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Patent number 10,150,044
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Issue date Dec 11, 2018
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Eyal Shlomot
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A63 - SPORTS GAMES AMUSEMENTS
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Top
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Patent number 10,137,380
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Issue date Nov 27, 2018
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Shin-Kyu Choi
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A63 - SPORTS GAMES AMUSEMENTS
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Top
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Patent number 9,616,351
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Issue date Apr 11, 2017
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Shin-Kyu Choi
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A63 - SPORTS GAMES AMUSEMENTS
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Gyroscopic toy
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Patent number 4,713,039
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Issue date Dec 15, 1987
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Wong & Bibaoco
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Raymond Wong
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A63 - SPORTS GAMES AMUSEMENTS
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2139507
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Patent number 2,139,507
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Issue date Dec 6, 1938
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A63 - SPORTS GAMES AMUSEMENTS
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2075729
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Patent number 2,075,729
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Issue date Mar 30, 1937
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A63 - SPORTS GAMES AMUSEMENTS
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1723483
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Patent number 1,723,483
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Issue date Aug 6, 1929
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A63 - SPORTS GAMES AMUSEMENTS