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William D. Thweatt
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Chester, VA, US
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last 30 patents
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Patent Grant
Smoking articles enhanced to deliver additives incorporated within...
Patent number
8,353,811
Issue date
Jan 15, 2013
Phillip Morris USA Inc.
Zhihao Shen
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Patents Applications
last 30 patents
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Patent Application
SMOKING ARTICLES ENHANCED TO DELIVER ADDITIVES INCORPORATED WITHIN...
Publication number
20130180534
Publication date
Jul 18, 2013
Philip Morris USA Inc.
Zhihao Shen
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
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Patent Application
Smoking articles enhanced to deliver additives incorporated within...
Publication number
20090038628
Publication date
Feb 12, 2009
Philip Morris USA Inc.
Zhihao Shen
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES