David J. Watson

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Murray, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Use of chlorate, sulfur or ozone to reduce tobacco specific nitrosa...
- Patent number 7,992,575
- Issue date Aug 9, 2011
- U.S. Smokeless Tobacco Company
- Mingwu Cui
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES

Patents Applicationslast 30 patents

Information Patent Application
USE OF CHLORATE, SULFUR OR OZONE TO REDUCE TOBACCO SPECIFIC NITROSA...
- Publication number 20110289836
- Publication date Dec 1, 2011
- Mingwu Cui
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
Use of chlorate, sulfur or ozone to reduce tobacco specific nitrosa...
- Publication number 20060196516
- Publication date Sep 7, 2006
- Mingwu Cui
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES