TREA

Alan E. H. Ellis

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  • Lexden, Colchester, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lock mechanisms
    • Patent number 4,723,569
    • Issue date Feb 9, 1988
    • Ellis (Colchester) Limited
    • Alan E. H. Ellis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Security devices for rotatable members and fluid flow control valve...
    • Patent number 4,450,697
    • Issue date May 29, 1984
    • Alan E. H. Ellis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...