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Security hinge for gaming device
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Patent number 5,544,595
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Issue date Aug 13, 1996
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Spec International Inc.
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Orlando W. Stephenson
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Game playfield mounting system
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Patent number 5,536,082
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Issue date Jul 16, 1996
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Williams Electronics Games, Inc.
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Steve Ritchie
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A63 - SPORTS GAMES AMUSEMENTS
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Pinball game cabinet
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Patent number 5,193,807
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Issue date Mar 16, 1993
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Williams Electronics Games, Inc.
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Winston H. Schilling
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A63 - SPORTS GAMES AMUSEMENTS
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Retainer for a pinball machine
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Patent number 4,936,580
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Issue date Jun 26, 1990
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Data East Pinball, Inc.
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Joseph E. Kaminkow
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A63 - SPORTS GAMES AMUSEMENTS
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Game cabinet
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Patent number 4,865,322
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Issue date Sep 12, 1989
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Williams Electronics Games, Inc.
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John R. Krutsch
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A63 - SPORTS GAMES AMUSEMENTS
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