Dennis M. Riggs

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Belews Creek, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Fuel element composition
- Patent number 5,551,451
- Issue date Sep 3, 1996
- R. J. Reynolds Tobacco Company
- Dennis M. Riggs
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Substrates material for smoking articles
- Patent number 5,415,186
- Issue date May 16, 1995
- R. J. Reynolds Tobacco Company
- William J. Casey
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Substrate material for smoking articles
- Patent number 5,396,911
- Issue date Mar 14, 1995
- R. J. Reynolds Tobacco Company
- William J. Casey
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Catalyst containing smoking articles for reducing carbon monoxide
- Patent number 5,211,684
- Issue date May 18, 1993
- R. J. Reynolds Tobacco Company
- Michael D. Shannon
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Carbonaceous composition for fuel elements of smoking articles and...
- Patent number 5,178,167
- Issue date Jan 12, 1993
- R. J. Reynolds Tobacco Company
- Dennis M. Riggs
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES