William J. Stone

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Calmore, GB

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Patents Grantslast 30 patents

Information Patent Grant
Tobacco dryers
- Patent number 6,185,843
- Issue date Feb 13, 2001
- British American Tobacco (Investments) Limited
- William John Stone
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Making tobacco rod
- Patent number 5,649,553
- Issue date Jul 22, 1997
- British-American Tobacco Company Limited
- Santosh Kumar Pillai
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Measuring cigarette pressure drop
- Patent number 5,592,954
- Issue date Jan 14, 1997
- British-American Tobacco Company Limited
- Paul D. Case
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Methods of making tobacco smoke filter elements
- Patent number 5,523,036
- Issue date Jun 4, 1996
- British-American Tobacco Company Limited
- John A. Luke
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Drying process for increasing the filling power of tobacco material
- Patent number 5,339,837
- Issue date Aug 23, 1994
- BAT Cigarettenfabriken GmbH
- Werner Hirsch
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES