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Mud walking shoe
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Patent number 6,729,049
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Issue date May 4, 2004
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The United States of America as represented by the Department of the Interior
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Clifford A. Hui
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A63 - SPORTS GAMES AMUSEMENTS
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Snowboard apparatus
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Patent number 6,543,769
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Issue date Apr 8, 2003
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Slingshot Game Technology, Inc.
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Robert M. Podoloff
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A63 - SPORTS GAMES AMUSEMENTS
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Virtual slalom course
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Patent number 6,312,301
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Issue date Nov 6, 2001
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Lawrence R. Kennedy
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G06 - COMPUTING CALCULATING COUNTING
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Water ski training apparatus
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Patent number 5,911,611
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Issue date Jun 15, 1999
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David M. Saad
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Wrist harness strap
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Patent number 5,809,570
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Issue date Sep 22, 1998
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Burton Leslie Grover
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A41 - WEARING APPAREL
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Slalom ski trainer
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Patent number 5,342,266
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Issue date Aug 30, 1994
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Dailey Sports, Inc.
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Robert M. Dailey
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A63 - SPORTS GAMES AMUSEMENTS
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Waterskiing simulator
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Patent number 5,318,488
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Issue date Jun 7, 1994
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Babcock; Michael Anthony
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Michael A. Babcock
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A63 - SPORTS GAMES AMUSEMENTS
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