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Sound generating device
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Patent number 11,523,197
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Issue date Dec 6, 2022
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Shari Spiridigliozzi
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A63 - SPORTS GAMES AMUSEMENTS
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3591977
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Patent number 3,591,977
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Issue date Jul 13, 1971
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A63 - SPORTS GAMES AMUSEMENTS
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2978836
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Patent number 2,978,836
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Issue date Apr 11, 1961
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A63 - SPORTS GAMES AMUSEMENTS
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2908997
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Patent number 2,908,997
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Issue date Oct 20, 1959
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A63 - SPORTS GAMES AMUSEMENTS