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Donald A. Silberstein
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LeMans, FR
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last 30 patents
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Patent Grant
Cigarette filter
Patent number
4,585,015
Issue date
Apr 29, 1986
Brown & Williamson Tobacco Corporation
Donald A. Silberstein
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Patent Grant
Cigarette filter
Patent number
4,424,819
Issue date
Jan 10, 1984
Brown & Williamson Tobacco Corporation
Donald A. Silberstein
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES