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Throw weight
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Patent number 9,925,443
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Issue date Mar 27, 2018
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Hadar MFG, Inc.
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Seth Ashley Roberson
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A63 - SPORTS GAMES AMUSEMENTS
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Connecting blocking sled
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Patent number 6,261,194
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Issue date Jul 17, 2001
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Hadar Mfg., Inc.
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Joseph C. Hadar
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A63 - SPORTS GAMES AMUSEMENTS
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Blocking dummy
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Patent number 5,984,809
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Issue date Nov 16, 1999
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Hadar Mfg., Inc.
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Joseph C. Hadar
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A63 - SPORTS GAMES AMUSEMENTS