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Roger S. Slagle
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Chesterfield, VA, US
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last 30 patents
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Patent Grant
Concentric smoking filter having cellulose acetate tow periphery an...
Patent number
5,622,190
Issue date
Apr 22, 1997
Philip Morris Incorporated
Cynthia W. Arterbery
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Patent Grant
Concentric smoking filter having cellulose acetate tow periphery an...
Patent number
5,365,951
Issue date
Nov 22, 1994
Philip Morris Incorporated
Cynthia W. Arterbery
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES