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Filter component for smoking
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Patent number 12,207,678
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Issue date Jan 28, 2025
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Jianbing Qian
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Cigarette
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Patent number 12,167,745
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Issue date Dec 17, 2024
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KT & G Corporation
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Jung Seop Hwang
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Filter unit for a smoking article
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Patent number 11,690,398
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Issue date Jul 4, 2023
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British American Tobacco (Investments) Limited
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Thomas Brice
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Filter component
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Patent number 11,596,171
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Issue date Mar 7, 2023
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Philip Morris Products S.A.
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Alessandro Gnan
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Fibers with chemical markers used for coding
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Patent number 11,231,408
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Issue date Jan 25, 2022
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Eastman Chemical Company
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Scott Gregory Gaynor
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Filter materials and filters made therefrom
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Patent number 10,798,966
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Issue date Oct 13, 2020
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British American Tobacco (Investments) Limited
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Yahia Lemmouchi
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Filter
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Patent number 10,334,875
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Issue date Jul 2, 2019
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British American Tobacco (Investments) Limited
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John Roger Sampson
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Smoking article filters
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Patent number 10,264,816
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Issue date Apr 23, 2019
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British American Tobacco (Investments) Limited
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David Lewis
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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