TREA

Roger N. Barker

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  • Clacton-On-Sea, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Inkable sheet
    • Patent number 6,117,537
    • Issue date Sep 12, 2000
    • Imperial Chemical Industries PLC
    • Alan Butters
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Inkable sheet
    • Patent number 5,413,843
    • Issue date May 9, 1995
    • Imperial Chemical Industries PLC
    • Stephen Mann
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Thermal transfer receiver
    • Patent number 5,116,805
    • Issue date May 26, 1992
    • Imperial Chemical Industries PLC
    • John A. Pope
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Inkable sheet
    • Patent number 5,102,717
    • Issue date Apr 7, 1992
    • Imperial Chemical Industries PLC
    • Alan Butters
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Assembly for use in making a printing plate
    • Patent number 4,985,301
    • Issue date Jan 15, 1991
    • Imperial Chemical Industries, PLC
    • Alan Butters
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Inkable sheet
    • Patent number 4,902,577
    • Issue date Feb 20, 1990
    • Imperial Chemical Industries PLC
    • Alan Butters
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Laser-imageable assembly and process for production thereof
    • Patent number 4,711,834
    • Issue date Dec 8, 1987
    • Imperial Chemical Industries PLC
    • Alan Butters
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Laser-imageable assembly with heterogeneous resin layer and process...
    • Patent number 4,626,493
    • Issue date Dec 2, 1986
    • Imperial Chemical Industries PLC
    • Alan Butters
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS