TREA

Dennis Hopkinson

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  • Newport, AU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Code identification apparatus
    • Patent number 4,256,956
    • Issue date Mar 17, 1981
    • Access Control Systems Pty Ltd.
    • Dennis Hopkinson
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Code identification apparatus
    • Patent number 4,134,539
    • Issue date Jan 16, 1979
    • Access Control Systems Pty Ltd.
    • Dennis Hopkinson
    • G06 - COMPUTING CALCULATING COUNTING