William L. Clapp

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Winston-Salem, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for providing tobacco extracts using a solvent in a supercr...
- Patent number 5,435,325
- Issue date Jul 25, 1995
- R. J. Reynolds Tobacco Company
- William L. Clapp
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Tobacco processing
- Patent number 4,941,484
- Issue date Jul 17, 1990
- R. J. Reynolds Tobacco Company
- William L. Clapp
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Tobacco processing
- Patent number 4,887,618
- Issue date Dec 19, 1989
- R. J. Reynolds Tobacco Company
- Edward Bernasek
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES