TREA

Robert A. Dubois

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  • Marion, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drum with self-supporting liner
    • Patent number 4,982,867
    • Issue date Jan 8, 1991
    • Greif Brothers Corporation
    • Robert A. Dubois
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Thermal container
    • Patent number 4,595,112
    • Issue date Jun 17, 1986
    • Greif Bros. Corporation
    • Robert A. Dubois
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Variable capacity all-plastic drum
    • Patent number 4,201,306
    • Issue date May 6, 1980
    • Greif Bros. Corporation
    • Robert A. Dubois
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of blow molding an all plastic drum and compression molding...
    • Patent number 4,170,623
    • Issue date Oct 9, 1979
    • Greif Bros. Corporation
    • Robert A. Dubois
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Vented closure
    • Patent number 4,136,796
    • Issue date Jan 30, 1979
    • Greif Bros. Corporation
    • Robert A. Dubois
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Chime protective gasket
    • Patent number 4,091,961
    • Issue date May 30, 1978
    • Greif Bros. Corporation
    • Robert A. DuBois
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Plastic drum
    • Patent number 3,955,705
    • Issue date May 11, 1976
    • Greif Bros. Corporation
    • Robert A Dubois
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    All plastic drum
    • Patent number 3,940,011
    • Issue date Feb 24, 1976
    • Greif Bros. Corporation
    • Robert A. Dubois
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL