Martin G. Duke

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Maldon, GB

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Patents Grantslast 30 patents

Information Patent Grant
Smoking article and filter therefor
- Patent number 5,657,772
- Issue date Aug 19, 1997
- Rothmans International Services Limited
- Martin Graham Duke
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Lightweight cigarette filter and cigarettes incorporating such filters
- Patent number 5,415,189
- Issue date May 16, 1995
- Rothmans International Services Limited
- John R. Sampson
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES