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Wood club
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Patent number 7,713,138
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Issue date May 11, 2010
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Tomohiko Sato
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A63 - SPORTS GAMES AMUSEMENTS
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Metal wood club
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Patent number 7,255,653
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Issue date Aug 14, 2007
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Mitsuhiro Saso
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A63 - SPORTS GAMES AMUSEMENTS
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Golf club
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Patent number 6,620,055
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Issue date Sep 16, 2003
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Saso Golf, Inc.
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Mitsuhiro Saso
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A63 - SPORTS GAMES AMUSEMENTS
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Wood-type club
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Patent number 6,482,106
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Issue date Nov 19, 2002
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Mitsuhiro Saso
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A63 - SPORTS GAMES AMUSEMENTS
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Golf club
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Patent number 5,916,043
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Issue date Jun 29, 1999
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Mitsuhiro Saso
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A63 - SPORTS GAMES AMUSEMENTS
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Golf club
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Patent number 5,645,495
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Issue date Jul 8, 1997
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Himeji Lodge Hakuba Co., Ltd.
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Mitsuhiro Saso
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A63 - SPORTS GAMES AMUSEMENTS