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Tire tread
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Patent number D450636
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Issue date Nov 20, 2001
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Bridgestone/Firestone Research, Inc.
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William B. Allison
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D12 - Transportation
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Tire tread
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Patent number D449802
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Issue date Oct 30, 2001
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Bridgestone/Firestone Research, Inc.
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William B. Allison
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D12 - Transportation
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Tire tread
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Patent number D447446
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Issue date Sep 4, 2001
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Bridgestone/Firestone Research, Inc.
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William B. Allison
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D12 - Transportation
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Tire tread
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Patent number D445378
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Issue date Jul 24, 2001
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Bridgestone/Firestone Research, Inc.
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John J. Regallis
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D12 - Transportation
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Tire tread
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Patent number D420626
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Issue date Feb 15, 2000
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Bridgestone/Firestone Research, Inc.
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William B. Allison
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D12 - Transportation