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Kenneth Francis Rumball

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  • Great Bookham, EN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Composite lid
    • Patent number 4,096,963
    • Issue date Jun 27, 1978
    • Airfix Industries Limited
    • Kenneth Francis Rumball
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of making a frusto-conical container having reduced distorti...
    • Patent number 4,020,140
    • Issue date Apr 26, 1977
    • Airfix Industries Limited
    • Kenneth Francis Rumball
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Thermoplastic seam between juxtaposed edges of blank material
    • Patent number 4,001,471
    • Issue date Jan 4, 1977
    • Airfix Industries Limited
    • Kenneth Francis Rumball
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL