TREA

Donald L. Roberts

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  • Winston-Salem, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tobacco treatment process
    • Patent number 4,986,286
    • Issue date Jan 22, 1991
    • R. J. Reynolds Tobacco Company
    • Donald L. Roberts
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Variable ventilation mouthpiece for a smoking article
    • Patent number 4,949,736
    • Issue date Aug 21, 1990
    • R. J. Reynolds Tobacco Company
    • Donald L. Roberts
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Smoking articles utilizing electrical energy
    • Patent number 4,947,874
    • Issue date Aug 14, 1990
    • R. J. Reynolds Tobacco Company
    • Johnny L. Brooks
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Flavor delivery articles utilizing electrical energy
    • Patent number 4,947,875
    • Issue date Aug 14, 1990
    • R. J. Reynolds Tobacco Company
    • Johnny L. Brooks
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Drug delivery articles utilizing electrical energy
    • Patent number 4,922,901
    • Issue date May 8, 1990
    • R. J. Reynolds Tobacco Company
    • Johnny L. Brooks
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Temperature/humidity controlled valve for a smoking article
    • Patent number 4,867,182
    • Issue date Sep 19, 1989
    • R. J. Reynolds Tobacco Company
    • Donald L. Roberts
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Aerosol delivery article
    • Patent number 4,819,665
    • Issue date Apr 11, 1989
    • R. J. Reynolds Tobacco Company
    • Donald L. Roberts
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Microporous materials in cigarette filter construction
    • Patent number 4,729,391
    • Issue date Mar 8, 1988
    • R. J. Reynolds Tobacco Company
    • Donna K. Woods
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Smoking product
    • Patent number 4,643,205
    • Issue date Feb 17, 1987
    • R. J. Reynolds Tobacco Company
    • Jerry W. Redding
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Puff control cigarette
    • Patent number 4,638,820
    • Issue date Jan 27, 1987
    • R. J. Reynolds Tobacco Company
    • Donald L. Roberts
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Tobacco product
    • Patent number 3,996,940
    • Issue date Dec 14, 1976
    • R. J. Reynolds Tobacco Company
    • James P. Dickerson
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES