TREA

John E. Bray

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  • Guelph, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Thermal printing apparatus
    • Patent number 4,536,775
    • Issue date Aug 20, 1985
    • NCR Canada Ltd. - NCR Canada LTEE
    • Trevor A. Calnek
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS