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William E. Rosen
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LaFayette Hill, PA, US
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last 30 patents
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Patent Grant
Wetted impact barrier for the reduction of tar and nicotine in ciga...
Patent number
5,240,015
Issue date
Aug 31, 1993
William E. Rosen
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Wetted impact barrier for the reduction of tar and nicotine in ciga...
Patent number
5,158,099
Issue date
Oct 27, 1992
William E. Rosen
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Apparatus and method for overcoming the habit of tobacco smoking
Patent number
4,821,745
Issue date
Apr 18, 1989
David I. Rosen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Tobacco expansion process
Patent number
4,013,082
Issue date
Mar 22, 1977
William E. Rosen
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES