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Golf clubs
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Patent number 7,211,005
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Issue date May 1, 2007
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Norman Matheson Lindsay
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A63 - SPORTS GAMES AMUSEMENTS
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Putter-heads
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Patent number 7,134,970
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Issue date Nov 14, 2006
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Norman Matheson Lindsay
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A63 - SPORTS GAMES AMUSEMENTS
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Putter-heads
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Patent number 6,951,517
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Issue date Oct 4, 2005
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Norman Matheson Lindsay
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A63 - SPORTS GAMES AMUSEMENTS
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Golf-putters
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Patent number 6,849,004
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Issue date Feb 1, 2005
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Norman Matheson Lindsay
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A63 - SPORTS GAMES AMUSEMENTS