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Aerodynamic devices
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Patent number 4,848,704
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Issue date Jul 18, 1989
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U.F.O., Inc.
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Kenneth Sams
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A63 - SPORTS GAMES AMUSEMENTS
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Aerodynamic devices
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Patent number 4,779,825
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Issue date Oct 25, 1988
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Kenneth Sams
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A63 - SPORTS GAMES AMUSEMENTS
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Rotary wing device
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Patent number 4,243,190
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Issue date Jan 6, 1981
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Kenneth Sams
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A63 - SPORTS GAMES AMUSEMENTS