TREA

Donald C. Bowles

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  • Tonbridge, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Display apparatus
    • Patent number 5,181,013
    • Issue date Jan 19, 1993
    • GEC-Marconi Limited
    • John M. Bagshaw
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS