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Smoking article filter
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Patent number 8,752,556
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Issue date Jun 17, 2014
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British American Tobacco (Investments) Limited
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Peter Rex White
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Filtration materials
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Patent number 5,954,059
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Issue date Sep 21, 1999
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British-American Tobacco Company Limited
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John Lawson Beven
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Relating to smoking articles
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Patent number 5,549,125
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Issue date Aug 27, 1996
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British-American Tobacco Company Limited
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Peter R. White
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Smoking article mouthpieces
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Patent number 4,911,684
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Issue date Mar 27, 1990
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British American Tobacco Company Limited
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Martin G. Duke
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES